401316534 has 36 divisors (see below), whose sum is σ = 875462796. Its totient is φ = 132863544.

The previous prime is 401316521. The next prime is 401316563. The reversal of 401316534 is 435613104.

401316534 is a `hidden beast` number, since 4 + 0 + 1 + 3 + 1 + 653 + 4 = 666.

It is a super-2 number, since 2×401316534² = 322109920923546312, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 401316498 and 401316507.

It is a congruent number.

It is an unprimeable number.

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 17 ways as a sum of consecutive naturals, for example, 712537 + ... + 713099.

It is an arithmetic number, because the mean of its divisors is an integer number (24318411).

Almost surely, 2^401316534 is an apocalyptic number.

401316534 is an abundant number, since it is smaller than the sum of its proper divisors (474146262).

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

401316534 is a wasteful number, since it uses less digits than its factorization.

401316534 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 969 (or 767 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 401316534 is about 20032.8863122616. The cubic root of 401316534 is about 737.6137732738.

Adding to 401316534 its reverse (435613104), we get a palindrome (836929638).

It can be divided in two parts, 40131 and 6534, that added together give a triangular number (46665 = T₃₀₅).

The spelling of 401316534 in words is "four hundred one million, three hundred sixteen thousand, five hundred thirty-four".