42549997032 has 64 divisors (see below), whose sum is σ = 124415208000. Its totient is φ = 13436839872.

The previous prime is 42549996997. The next prime is 42549997109. The reversal of 42549997032 is 23079994524.

42549997032 is a `hidden beast` number, since 4 + 2 + 549 + 9 + 97 + 0 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a self number, because there is not a number n which added to its sum of digits gives 42549997032.

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 15 ways as a sum of consecutive naturals, for example, 5179863 + ... + 5188070.

It is an arithmetic number, because the mean of its divisors is an integer number (1943987625).

Almost surely, 2^42549997032 is an apocalyptic number.

It is an amenable number.

42549997032 is an abundant number, since it is smaller than the sum of its proper divisors (81865210968).

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

42549997032 is a wasteful number, since it uses less digits than its factorization.

42549997032 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10367967 (or 10367957 counting only the distinct ones).

The product of its (nonzero) digits is 4898880, while the sum is 54.

The spelling of 42549997032 in words is "forty-two billion, five hundred forty-nine million, nine hundred ninety-seven thousand, thirty-two".