42599556478512 has 240 divisors, whose sum is σ = 137744370796032. Its totient is φ = 12634297263360.

The previous prime is 42599556478481. The next prime is 42599556478547. The reversal of 42599556478512 is 21587465599524.

42599556478512 is a `hidden beast` number, since 4 + 2 + 5 + 9 + 9 + 5 + 564 + 7 + 8 + 51 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 8586303 + ... + 12606494.

Almost surely, 2^{42599556478512} is an apocalyptic number.

It is an amenable number.

42599556478512 is an abundant number, since it is smaller than the sum of its proper divisors (95144814317520).

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

42599556478512 is a wasteful number, since it uses less digits than its factorization.

42599556478512 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21192878 (or 21192860 counting only the distinct ones).

The product of its digits is 1088640000, while the sum is 72.

The spelling of 42599556478512 in words is "forty-two trillion, five hundred ninety-nine billion, five hundred fifty-six million, four hundred seventy-eight thousand, five hundred twelve".