42512051604 has 48 divisors (see below), whose sum is σ = 108239947200. Its totient is φ = 12879171840.

The previous prime is 42512051471. The next prime is 42512051671. The reversal of 42512051604 is 40615021524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 509422 + ... + 586970.

It is an arithmetic number, because the mean of its divisors is an integer number (2254998900).

Almost surely, 2^42512051604 is an apocalyptic number.

42512051604 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42512051604 is an abundant number, since it is smaller than the sum of its proper divisors (65727895596).

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

42512051604 is a wasteful number, since it uses less digits than its factorization.

42512051604 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81720 (or 81718 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 30.

The spelling of 42512051604 in words is "forty-two billion, five hundred twelve million, fifty-one thousand, six hundred four".