407040368 has 20 divisors (see below), whose sum is σ = 901303920. Its totient is φ = 174445824.

The previous prime is 407040349. The next prime is 407040377. The reversal of 407040368 is 863040704.

It is a happy number.

It is a super-2 number, since 2×407040368² = 331363722363150848, which contains 22 as substring.

It is a congruent number.

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, 1817033 + ... + 1817256.

It is an arithmetic number, because the mean of its divisors is an integer number (45065196).

Almost surely, 2^407040368 is an apocalyptic number.

It is an amenable number.

407040368 is an abundant number, since it is smaller than the sum of its proper divisors (494263552).

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

407040368 is a wasteful number, since it uses less digits than its factorization.

407040368 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3634304 (or 3634298 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 32.

The square root of 407040368 is about 20175.2414607608. The cubic root of 407040368 is about 741.1040058766.

The spelling of 407040368 in words is "four hundred seven million, forty thousand, three hundred sixty-eight".