2252797749944 has 64 divisors (see below), whose sum is σ = 4945526712000. Its totient is φ = 941867596800.

The previous prime is 2252797749889. The next prime is 2252797749967. The reversal of 2252797749944 is 4499477972522.

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, 42359882 + ... + 42413030.

It is an arithmetic number, because the mean of its divisors is an integer number (77273854875).

Almost surely, 2^{2252797749944} is an apocalyptic number.

It is an amenable number.

2252797749944 is an abundant number, since it is smaller than the sum of its proper divisors (2692728962056).

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

2252797749944 is a wasteful number, since it uses less digits than its factorization.

2252797749944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71664 (or 71660 counting only the distinct ones).

The product of its digits is 640120320, while the sum is 71.

The spelling of 2252797749944 in words is "two trillion, two hundred fifty-two billion, seven hundred ninety-seven million, seven hundred forty-nine thousand, nine hundred forty-four".