42056600 has 24 divisors (see below), whose sum is σ = 97782060. Its totient is φ = 16822560.

The previous prime is 42056561. The next prime is 42056603. The reversal of 42056600 is 665024.

It is a hoax number, since the sum of its digits (23) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42056603) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 104942 + ... + 105341.

Almost surely, 2^42056600 is an apocalyptic number.

42056600 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42056600 is an abundant number, since it is smaller than the sum of its proper divisors (55725460).

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

42056600 is a wasteful number, since it uses less digits than its factorization.

42056600 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 210299 (or 210290 counting only the distinct ones).

The product of its (nonzero) digits is 1440, while the sum is 23.

The square root of 42056600 is about 6485.1060130117. The cubic root of 42056600 is about 347.7587397235.

The spelling of 42056600 in words is "forty-two million, fifty-six thousand, six hundred".