401374625007 has 4 divisors (see below), whose sum is σ = 535166166680. Its totient is φ = 267583083336.

The previous prime is 401374624979. The next prime is 401374625017. The reversal of 401374625007 is 700526473104.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 401374625007 - 2¹⁴ = 401374608623 is a prime.

It is a super-2 number, since 2×401374625007² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (401374625017) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 66895770832 + ... + 66895770837.

It is an arithmetic number, because the mean of its divisors is an integer number (133791541670).

Almost surely, 2^401374625007 is an apocalyptic number.

401374625007 is a deficient number, since it is larger than the sum of its proper divisors (133791541673).

401374625007 is a wasteful number, since it uses less digits than its factorization.

401374625007 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 133791541672.

The product of its (nonzero) digits is 141120, while the sum is 39.

The spelling of 401374625007 in words is "four hundred one billion, three hundred seventy-four million, six hundred twenty-five thousand, seven".