401616872716 has 6 divisors (see below), whose sum is σ = 702829527260. Its totient is φ = 200808436356.

The previous prime is 401616872681. The next prime is 401616872729. The reversal of 401616872716 is 617278616104.

It is a happy number.

It is a super-2 number, since 2×401616872716² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 401616872716.

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, 50202109086 + ... + 50202109093.

Almost surely, 2^401616872716 is an apocalyptic number.

It is an amenable number.

401616872716 is a deficient number, since it is larger than the sum of its proper divisors (301212654544).

401616872716 is a wasteful number, since it uses less digits than its factorization.

401616872716 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 100404218183 (or 100404218181 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 49.

The spelling of 401616872716 in words is "four hundred one billion, six hundred sixteen million, eight hundred seventy-two thousand, seven hundred sixteen".