40887694256 has 40 divisors (see below), whose sum is σ = 80128849104. Its totient is φ = 20209913600.

The previous prime is 40887694223. The next prime is 40887694259. The reversal of 40887694256 is 65249678804.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 40887694195 and 40887694204.

It is not an unprimeable number, because it can be changed into a prime (40887694259) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1035875 + ... + 1074621.

Almost surely, 2^40887694256 is an apocalyptic number.

It is an amenable number.

40887694256 is a deficient number, since it is larger than the sum of its proper divisors (39241154848).

40887694256 is a wasteful number, since it uses less digits than its factorization.

40887694256 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39509 (or 39503 counting only the distinct ones).

The product of its (nonzero) digits is 23224320, while the sum is 59.

The spelling of 40887694256 in words is "forty billion, eight hundred eighty-seven million, six hundred ninety-four thousand, two hundred fifty-six".