401663614 has 48 divisors (see below), whose sum is σ = 681313248. Its totient is φ = 177408000.

The previous prime is 401663599. The next prime is 401663623. The reversal of 401663614 is 416366104.

It is a super-2 number, since 2×401663614² = 322667317623081992, 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 (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1666534 + ... + 1666774.

It is an arithmetic number, because the mean of its divisors is an integer number (14194026).

Almost surely, 2^401663614 is an apocalyptic number.

401663614 is a deficient number, since it is larger than the sum of its proper divisors (279649634).

401663614 is a wasteful number, since it uses less digits than its factorization.

401663614 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 433 (or 422 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 401663614 is about 20041.5471957631. The cubic root of 401663614 is about 737.8263546140.

The spelling of 401663614 in words is "four hundred one million, six hundred sixty-three thousand, six hundred fourteen".