3915947890404 has 120 divisors (see below), whose sum is σ = 11552796763200. Its totient is φ = 1145731849920.

The previous prime is 3915947890399. The next prime is 3915947890441. The reversal of 3915947890404 is 4040987495193.

3915947890404 is a `hidden beast` number, since 3 + 9 + 159 + 4 + 78 + 9 + 0 + 404 = 666.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 18840624 + ... + 19047335.

It is an arithmetic number, because the mean of its divisors is an integer number (96273306360).

Almost surely, 2^{3915947890404} is an apocalyptic number.

It is an amenable number.

3915947890404 is an abundant number, since it is smaller than the sum of its proper divisors (7636848872796).

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

3915947890404 is a wasteful number, since it uses less digits than its factorization.

3915947890404 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37888015 (or 37888004 counting only the distinct ones).

The product of its (nonzero) digits is 39191040, while the sum is 63.

The spelling of 3915947890404 in words is "three trillion, nine hundred fifteen billion, nine hundred forty-seven million, eight hundred ninety thousand, four hundred four".