42043564600 has 48 divisors (see below), whose sum is σ = 98214662520. Its totient is φ = 16737705600.

The previous prime is 42043564597. The next prime is 42043564613. The reversal of 42043564600 is 646534024.

It is a super-2 number, since 2×42043564600² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 455947 + ... + 540346.

Almost surely, 2^42043564600 is an apocalyptic number.

42043564600 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42043564600 is an abundant number, since it is smaller than the sum of its proper divisors (56171097920).

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

42043564600 is a wasteful number, since it uses less digits than its factorization.

42043564600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 996520 (or 996511 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 34.

The spelling of 42043564600 in words is "forty-two billion, forty-three million, five hundred sixty-four thousand, six hundred".