42013864 has 32 divisors (see below), whose sum is σ = 84700800. Its totient is φ = 19474560.

The previous prime is 42013849. The next prime is 42013877. The reversal of 42013864 is 46831024.

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, 4204 + ... + 10084.

It is an arithmetic number, because the mean of its divisors is an integer number (2646900).

Almost surely, 2^42013864 is an apocalyptic number.

It is an amenable number.

42013864 is an abundant number, since it is smaller than the sum of its proper divisors (42686936).

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

42013864 is a wasteful number, since it uses less digits than its factorization.

42013864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5953 (or 5949 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 28.

The square root of 42013864 is about 6481.8102409744. The cubic root of 42013864 is about 347.6409076091.

Adding to 42013864 its reverse (46831024), we get a palindrome (88844888).

The spelling of 42013864 in words is "forty-two million, thirteen thousand, eight hundred sixty-four".