40136444704 has 12 divisors (see below), whose sum is σ = 79018625574. Its totient is φ = 20068222336.

The previous prime is 40136444701. The next prime is 40136444737. The reversal of 40136444704 is 40744463104.

It can be written as a sum of positive squares in only one way, i.e., 38376810000 + 1759634704 = 195900^2 + 41948^2 .

It is a super-2 number, since 2×40136444704² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40136444701) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 627131917 + ... + 627131980.

Almost surely, 2^40136444704 is an apocalyptic number.

It is an amenable number.

40136444704 is a deficient number, since it is larger than the sum of its proper divisors (38882180870).

40136444704 is a wasteful number, since it uses less digits than its factorization.

40136444704 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1254263907 (or 1254263899 counting only the distinct ones).

The product of its (nonzero) digits is 129024, while the sum is 37.

The spelling of 40136444704 in words is "forty billion, one hundred thirty-six million, four hundred forty-four thousand, seven hundred four".