40296172978684 has 36 divisors (see below), whose sum is σ = 82069990209480. Its totient is φ = 17261684163360.

The previous prime is 40296172978661. The next prime is 40296172978717. The reversal of 40296172978684 is 48687927169204.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 47820879 + ... + 48656230.

Almost surely, 2^{40296172978684} is an apocalyptic number.

It is an amenable number.

40296172978684 is an abundant number, since it is smaller than the sum of its proper divisors (41773817230796).

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

40296172978684 is a wasteful number, since it uses less digits than its factorization.

40296172978684 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96479258 (or 96479249 counting only the distinct ones).

The product of its (nonzero) digits is 585252864, while the sum is 73.

The spelling of 40296172978684 in words is "forty trillion, two hundred ninety-six billion, one hundred seventy-two million, nine hundred seventy-eight thousand, six hundred eighty-four".