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40880481617 = 154972637961
BaseRepresentation
bin100110000100101010…
…101010010101010001
310220112000211122012202
4212010222222111101
51132210400402432
630440310332545
72645025234413
oct460452522521
9126460748182
1040880481617
1116378a699a8
127b0a95a155
133b16603ac1
141d9b4c69b3
1510e3e5a462
hex984aaa551

40880481617 has 4 divisors (see below), whose sum is σ = 40883135076. Its totient is φ = 40877828160.

The previous prime is 40880481613. The next prime is 40880481619. The reversal of 40880481617 is 71618408804.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 31032697921 + 9847783696 = 176161^2 + 99236^2 .

It is a cyclic number.

It is not a de Polignac number, because 40880481617 - 22 = 40880481613 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40880481613) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1303484 + ... + 1334477.

It is an arithmetic number, because the mean of its divisors is an integer number (10220783769).

Almost surely, 240880481617 is an apocalyptic number.

It is an amenable number.

40880481617 is a deficient number, since it is larger than the sum of its proper divisors (2653459).

40880481617 is a wasteful number, since it uses less digits than its factorization.

40880481617 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2653458.

The product of its (nonzero) digits is 344064, while the sum is 47.

The spelling of 40880481617 in words is "forty billion, eight hundred eighty million, four hundred eighty-one thousand, six hundred seventeen".

Divisors: 1 15497 2637961 40880481617