408052842 has 16 divisors (see below), whose sum is σ = 817139232. Its totient is φ = 135845360.

The previous prime is 408052811. The next prime is 408052859. The reversal of 408052842 is 248250804.

It is a happy 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, 37884 + ... + 47447.

It is an arithmetic number, because the mean of its divisors is an integer number (51071202).

Almost surely, 2^408052842 is an apocalyptic number.

408052842 is an abundant number, since it is smaller than the sum of its proper divisors (409086390).

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

408052842 is a wasteful number, since it uses less digits than its factorization.

408052842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 86133.

The product of its (nonzero) digits is 20480, while the sum is 33.

The square root of 408052842 is about 20200.3178687861. The cubic root of 408052842 is about 741.7179722171.

The spelling of 408052842 in words is "four hundred eight million, fifty-two thousand, eight hundred forty-two".