401716693898 has 32 divisors (see below), whose sum is σ = 654175119360. Its totient is φ = 183908854080.

The previous prime is 401716693879. The next prime is 401716693901. The reversal of 401716693898 is 898396617104.

It is a super-2 number, since 2×401716693898² (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 401716693898.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20558393 + ... + 20577923.

It is an arithmetic number, because the mean of its divisors is an integer number (20442972480).

Almost surely, 2^401716693898 is an apocalyptic number.

401716693898 is a deficient number, since it is larger than the sum of its proper divisors (252458425462).

401716693898 is a wasteful number, since it uses less digits than its factorization.

401716693898 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25902.

The product of its (nonzero) digits is 15676416, while the sum is 62.

The spelling of 401716693898 in words is "four hundred one billion, seven hundred sixteen million, six hundred ninety-three thousand, eight hundred ninety-eight".