405334056 has 32 divisors (see below), whose sum is σ = 1019561760. Its totient is φ = 134281152.

The previous prime is 405333989. The next prime is 405334067. The reversal of 405334056 is 650433504.

It is a super-2 number, since 2×405334056² = 328591393906822272, which contains 22 as substring.

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, 47895 + ... + 55718.

It is an arithmetic number, because the mean of its divisors is an integer number (31861305).

Almost surely, 2^405334056 is an apocalyptic number.

It is an amenable number.

405334056 is an abundant number, since it is smaller than the sum of its proper divisors (614227704).

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

405334056 is a wasteful number, since it uses less digits than its factorization.

405334056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 103785 (or 103781 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 30.

The square root of 405334056 is about 20132.9097747941. The cubic root of 405334056 is about 740.0669868749.

The spelling of 405334056 in words is "four hundred five million, three hundred thirty-four thousand, fifty-six".