401316507 has 6 divisors (see below), whose sum is σ = 579679412. Its totient is φ = 267544332.

The previous prime is 401316493. The next prime is 401316511. The reversal of 401316507 is 705613104.

401316507 is a `hidden beast` number, since 4 + 0 + 1 + 3 + 1 + 650 + 7 = 666.

It is not a de Polignac number, because 401316507 - 2⁷ = 401316379 is a prime.

It is a super-2 number, since 2×401316507² = 322109877581362098, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (401316107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22295353 + ... + 22295370.

Almost surely, 2^401316507 is an apocalyptic number.

401316507 is a deficient number, since it is larger than the sum of its proper divisors (178362905).

401316507 is a wasteful number, since it uses less digits than its factorization.

401316507 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44590729 (or 44590726 counting only the distinct ones).

The product of its (nonzero) digits is 2520, while the sum is 27.

The square root of 401316507 is about 20032.8856383697. The cubic root of 401316507 is about 737.6137567320.

The spelling of 401316507 in words is "four hundred one million, three hundred sixteen thousand, five hundred seven".