401502516 has 12 divisors (see below), whose sum is σ = 936839232. Its totient is φ = 133834168.

The previous prime is 401502469. The next prime is 401502527. The reversal of 401502516 is 615205104.

It is a tau number, because it is divible by the number of its divisors (12).

It is a super-2 number, since 2×401502516² = 322408540708660512, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16729260 + ... + 16729283.

It is an arithmetic number, because the mean of its divisors is an integer number (78069936).

Almost surely, 2^401502516 is an apocalyptic number.

It is an amenable number.

401502516 is an abundant number, since it is smaller than the sum of its proper divisors (535336716).

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

401502516 is a wasteful number, since it uses less digits than its factorization.

401502516 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 33458550 (or 33458548 counting only the distinct ones).

The product of its (nonzero) digits is 1200, while the sum is 24.

The square root of 401502516 is about 20037.5276918087. The cubic root of 401502516 is about 737.7276997193.

The spelling of 401502516 in words is "four hundred one million, five hundred two thousand, five hundred sixteen".