Search a number
-
+
40088888408080 = 2453371873793901
BaseRepresentation
bin10010001110101111010111…
…11100111111100000010000
312020221110102120010222222201
421013113223330333200100
520223304020413024310
6221132325303212544
711305220012044351
oct1107275374774020
9166843376128881
1040088888408080
1111856669433756
1245b55b3747154
13194a49b00aa35
149c84538dbd28
15497c0d6c2e3a
hex2475ebf3f810

40088888408080 has 80 divisors (see below), whose sum is σ = 93533271974064. Its totient is φ = 15979415961600.

The previous prime is 40088888408047. The next prime is 40088888408081. The reversal of 40088888408080 is 8080488888004.

It can be written as a sum of positive squares in 8 ways, for example, as 19592769082384 + 20496119325696 = 4426372^2 + 4527264^2 .

It is a tau number, because it is divible by the number of its divisors (80).

It is not an unprimeable number, because it can be changed into a prime (40088888408081) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 50099130 + ... + 50893030.

Almost surely, 240088888408080 is an apocalyptic number.

40088888408080 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40088888408080 is an abundant number, since it is smaller than the sum of its proper divisors (53444383565984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40088888408080 is a wasteful number, since it uses less digits than its factorization.

40088888408080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 796124 (or 796118 counting only the distinct ones).

The product of its (nonzero) digits is 33554432, while the sum is 64.

The spelling of 40088888408080 in words is "forty trillion, eighty-eight billion, eight hundred eighty-eight million, four hundred eight thousand, eighty".

Divisors: 1 2 4 5 8 10 16 20 40 80 337 674 1348 1685 1873 2696 3370 3746 5392 6740 7492 9365 13480 14984 18730 26960 29968 37460 74920 149840 631201 793901 1262402 1587802 2524804 3156005 3175604 3969505 5049608 6312010 6351208 7939010 10099216 12624020 12702416 15878020 25248040 31756040 50496080 63512080 267544637 535089274 1070178548 1337723185 1486976573 2140357096 2675446370 2973953146 4280714192 5350892740 5947906292 7434882865 10701785480 11895812584 14869765730 21403570960 23791625168 29739531460 59479062920 118958125840 501111105101 1002222210202 2004444420404 2505555525505 4008888840808 5011111051010 8017777681616 10022222102020 20044444204040 40088888408080