401516654 has 32 divisors (see below), whose sum is σ = 754099200. Its totient is φ = 155766240.

The previous prime is 401516639. The next prime is 401516657. The reversal of 401516654 is 456615104.

It is a super-2 number, since 2×401516654² = 322431246878711432, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401516654.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401516657) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 31352 + ... + 42260.

It is an arithmetic number, because the mean of its divisors is an integer number (23565600).

Almost surely, 2^401516654 is an apocalyptic number.

401516654 is a deficient number, since it is larger than the sum of its proper divisors (352582546).

401516654 is a wasteful number, since it uses less digits than its factorization.

401516654 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11168.

The product of its (nonzero) digits is 14400, while the sum is 32.

The square root of 401516654 is about 20037.8804767371. The cubic root of 401516654 is about 737.7363587533.

The spelling of 401516654 in words is "four hundred one million, five hundred sixteen thousand, six hundred fifty-four".