401709662965888 has 96 divisors (see below), whose sum is σ = 887087436960960. Its totient is φ = 180820717473792.

The previous prime is 401709662965811. The next prime is 401709662965907. The reversal of 401709662965888 is 888569266907104.

It is a super-2 number, since 2×401709662965888² (a number of 30 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 235222356 + ... + 236923987.

It is an arithmetic number, because the mean of its divisors is an integer number (9240494135010).

Almost surely, 2^{401709662965888} is an apocalyptic number.

It is an amenable number.

401709662965888 is an abundant number, since it is smaller than the sum of its proper divisors (485377773995072).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

401709662965888 is a wasteful number, since it uses less digits than its factorization.

401709662965888 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472146414 (or 472146385 counting only the distinct ones).

The product of its (nonzero) digits is 2508226560, while the sum is 79.

The spelling of 401709662965888 in words is "four hundred one trillion, seven hundred nine billion, six hundred sixty-two million, nine hundred sixty-five thousand, eight hundred eighty-eight".