405134056 has 16 divisors (see below), whose sum is σ = 760529700. Its totient is φ = 202326144.

The previous prime is 405134011. The next prime is 405134069. The reversal of 405134056 is 650431504.

It can be written as a sum of positive squares in 2 ways, for example, as 287845156 + 117288900 = 16966^2 + 10830^2 .

It is a super-2 number, since 2×405134056² = 328267206662022272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 22861 + ... + 36508.

Almost surely, 2^405134056 is an apocalyptic number.

It is an amenable number.

405134056 is a deficient number, since it is larger than the sum of its proper divisors (355395644).

405134056 is a wasteful number, since it uses less digits than its factorization.

405134056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60228 (or 60224 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 28.

The square root of 405134056 is about 20127.9421700282. The cubic root of 405134056 is about 739.9452455226.

The spelling of 405134056 in words is "four hundred five million, one hundred thirty-four thousand, fifty-six".