3904138292028 has 72 divisors (see below), whose sum is σ = 10003236276096. Its totient is φ = 1184353934400.

The previous prime is 3904138292017. The next prime is 3904138292123. The reversal of 3904138292028 is 8202928314093.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 13413178 + ... + 13701153.

It is an arithmetic number, because the mean of its divisors is an integer number (138933837168).

Almost surely, 2^{3904138292028} is an apocalyptic number.

It is an amenable number.

3904138292028 is an abundant number, since it is smaller than the sum of its proper divisors (6099097984068).

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

3904138292028 is a wasteful number, since it uses less digits than its factorization.

3904138292028 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27114435 (or 27114420 counting only the distinct ones).

The product of its (nonzero) digits is 1492992, while the sum is 51.

The spelling of 3904138292028 in words is "three trillion, nine hundred four billion, one hundred thirty-eight million, two hundred ninety-two thousand, twenty-eight".