401630880688 has 10 divisors (see below), whose sum is σ = 778159831364. Its totient is φ = 200815440336.

The previous prime is 401630880601. The next prime is 401630880713. The reversal of 401630880688 is 886088036104.

It is a super-2 number, since 2×401630880688² (a number of 24 digits) contains 22 as substring.

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 as a sum of consecutive naturals, namely, 12550965006 + ... + 12550965037.

Almost surely, 2^401630880688 is an apocalyptic number.

It is an amenable number.

401630880688 is a deficient number, since it is larger than the sum of its proper divisors (376528950676).

401630880688 is a wasteful number, since it uses less digits than its factorization.

401630880688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25101930051 (or 25101930045 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 52.

The spelling of 401630880688 in words is "four hundred one billion, six hundred thirty million, eight hundred eighty thousand, six hundred eighty-eight".