Search a number
-
+
40068510790 = 2572117433861
BaseRepresentation
bin100101010100010001…
…001111010001000110
310211102102222020122011
4211110101033101012
51124030014321130
630223543124434
72615635502500
oct452421172106
9124372866564
1040068510790
1115aa16a2230
127922a4371a
133a1731c2a9
141d21722d70
151097a1b52a
hex95444f446

40068510790 has 48 divisors (see below), whose sum is σ = 91525708944. Its totient is φ = 12488884800.

The previous prime is 40068510787. The next prime is 40068510799. The reversal of 40068510790 is 9701586004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40068510799) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3711541 + ... + 3722320.

It is an arithmetic number, because the mean of its divisors is an integer number (1906785603).

Almost surely, 240068510790 is an apocalyptic number.

40068510790 is an abundant number, since it is smaller than the sum of its proper divisors (51457198154).

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

40068510790 is a wasteful number, since it uses less digits than its factorization.

40068510790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7433893 (or 7433886 counting only the distinct ones).

The product of its (nonzero) digits is 60480, while the sum is 40.

The spelling of 40068510790 in words is "forty billion, sixty-eight million, five hundred ten thousand, seven hundred ninety".

Divisors: 1 2 5 7 10 11 14 22 35 49 55 70 77 98 110 154 245 385 490 539 770 1078 2695 5390 7433861 14867722 37169305 52037027 74338610 81772471 104074054 163544942 260185135 364259189 408862355 520370270 572407297 728518378 817724710 1144814594 1821295945 2862036485 3642591890 4006851079 5724072970 8013702158 20034255395 40068510790