401564052560 has 40 divisors (see below), whose sum is σ = 1018512462816. Its totient is φ = 146023291520.

The previous prime is 401564052511. The next prime is 401564052563. The reversal of 401564052560 is 65250465104.

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×401564052560² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401564052563) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 228160514 + ... + 228162273.

Almost surely, 2^401564052560 is an apocalyptic number.

401564052560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

401564052560 is an abundant number, since it is smaller than the sum of its proper divisors (616948410256).

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

401564052560 is a wasteful number, since it uses less digits than its factorization.

401564052560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 456322811 (or 456322805 counting only the distinct ones).

The product of its (nonzero) digits is 144000, while the sum is 38.

The spelling of 401564052560 in words is "four hundred one billion, five hundred sixty-four million, fifty-two thousand, five hundred sixty".