42520854 has 16 divisors (see below), whose sum is σ = 87116400. Its totient is φ = 13827840.

The previous prime is 42520847. The next prime is 42520889. The reversal of 42520854 is 45802524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86179 + ... + 86670.

It is an arithmetic number, because the mean of its divisors is an integer number (5444775).

Almost surely, 2^42520854 is an apocalyptic number.

42520854 is an abundant number, since it is smaller than the sum of its proper divisors (44595546).

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

42520854 is a wasteful number, since it uses less digits than its factorization.

42520854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 172895.

The product of its (nonzero) digits is 12800, while the sum is 30.

The square root of 42520854 is about 6520.8016378356. The cubic root of 42520854 is about 349.0336718989.

The spelling of 42520854 in words is "forty-two million, five hundred twenty thousand, eight hundred fifty-four".