401711974136 has 16 divisors (see below), whose sum is σ = 821683583640. Its totient is φ = 182596351840.

The previous prime is 401711974127. The next prime is 401711974163. The reversal of 401711974136 is 631479117104.

It is a super-2 number, since 2×401711974136² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2282454311 + ... + 2282454486.

Almost surely, 2^401711974136 is an apocalyptic number.

It is an amenable number.

401711974136 is an abundant number, since it is smaller than the sum of its proper divisors (419971609504).

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

401711974136 is a wasteful number, since it uses less digits than its factorization.

401711974136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4564908814 (or 4564908810 counting only the distinct ones).

The product of its (nonzero) digits is 127008, while the sum is 44.

The spelling of 401711974136 in words is "four hundred one billion, seven hundred eleven million, nine hundred seventy-four thousand, one hundred thirty-six".