42004139904504 has 128 divisors (see below), whose sum is σ = 120446763264000. Its totient is φ = 13549184236800.

The previous prime is 42004139904491. The next prime is 42004139904553. The reversal of 42004139904504 is 40540993140024.

42004139904504 is a `hidden beast` number, since 4 + 2 + 0 + 0 + 4 + 139 + 9 + 0 + 4 + 504 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 42004139904504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 190116259 + ... + 190337069.

It is an arithmetic number, because the mean of its divisors is an integer number (940990338000).

Almost surely, 2^{42004139904504} is an apocalyptic number.

It is an amenable number.

42004139904504 is an abundant number, since it is smaller than the sum of its proper divisors (78442623359496).

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

42004139904504 is a wasteful number, since it uses less digits than its factorization.

42004139904504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 249266 (or 249256 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 45.

The spelling of 42004139904504 in words is "forty-two trillion, four billion, one hundred thirty-nine million, nine hundred four thousand, five hundred four".