52144404036638 has 16 divisors (see below), whose sum is σ = 79388517582864. Its totient is φ = 25681608955200.

The previous prime is 52144404036617. The next prime is 52144404036727. The reversal of 52144404036638 is 83663040444125.

It is a super-2 number, since 2×52144404036638² (a number of 28 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8653313 + ... + 13385388.

It is an arithmetic number, because the mean of its divisors is an integer number (4961782348929).

Almost surely, 2^{52144404036638} is an apocalyptic number.

52144404036638 is a deficient number, since it is larger than the sum of its proper divisors (27244113546226).

52144404036638 is a wasteful number, since it uses less digits than its factorization.

52144404036638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22056427.

The product of its (nonzero) digits is 6635520, while the sum is 50.

The spelling of 52144404036638 in words is "fifty-two trillion, one hundred forty-four billion, four hundred four million, thirty-six thousand, six hundred thirty-eight".