641252443224 has 64 divisors (see below), whose sum is σ = 1611412070400. Its totient is φ = 212648438016.

The previous prime is 641252443211. The next prime is 641252443241. The reversal of 641252443224 is 422344252146.

641252443224 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×641252443224² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

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, 5871177 + ... + 5979399.

It is an arithmetic number, because the mean of its divisors is an integer number (25178313600).

Almost surely, 2^641252443224 is an apocalyptic number.

It is an amenable number.

641252443224 is an abundant number, since it is smaller than the sum of its proper divisors (970159627176).

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

641252443224 is a wasteful number, since it uses less digits than its factorization.

641252443224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109504 (or 109500 counting only the distinct ones).

The product of its digits is 368640, while the sum is 39.

The spelling of 641252443224 in words is "six hundred forty-one billion, two hundred fifty-two million, four hundred forty-three thousand, two hundred twenty-four".