40697763984 has 80 divisors (see below), whose sum is σ = 119303197440. Its totient is φ = 13277278080.

The previous prime is 40697763923. The next prime is 40697764013. The reversal of 40697763984 is 48936779604.

40697763984 is a `hidden beast` number, since 406 + 97 + 7 + 63 + 9 + 84 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 981907 + ... + 1022514.

It is an arithmetic number, because the mean of its divisors is an integer number (1491289968).

Almost surely, 2^40697763984 is an apocalyptic number.

It is an amenable number.

40697763984 is an abundant number, since it is smaller than the sum of its proper divisors (78605433456).

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

40697763984 is a wasteful number, since it uses less digits than its factorization.

40697763984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004485 (or 2004473 counting only the distinct ones).

The product of its (nonzero) digits is 54867456, while the sum is 63.

The spelling of 40697763984 in words is "forty billion, six hundred ninety-seven million, seven hundred sixty-three thousand, nine hundred eighty-four".