44651731338 has 48 divisors (see below), whose sum is σ = 99174845952. Its totient is φ = 14510664000.

The previous prime is 44651731309. The next prime is 44651731357. The reversal of 44651731338 is 83313715644.

44651731338 is a `hidden beast` number, since 4 + 465 + 173 + 13 + 3 + 8 = 666.

44651731338 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 2×44651731338² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 44651731293 and 44651731302.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1065033 + ... + 1106163.

It is an arithmetic number, because the mean of its divisors is an integer number (2066142624).

Almost surely, 2^44651731338 is an apocalyptic number.

44651731338 is an abundant number, since it is smaller than the sum of its proper divisors (54523114614).

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

44651731338 is a wasteful number, since it uses less digits than its factorization.

44651731338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42651 (or 42648 counting only the distinct ones).

The product of its digits is 725760, while the sum is 45.

The spelling of 44651731338 in words is "forty-four billion, six hundred fifty-one million, seven hundred thirty-one thousand, three hundred thirty-eight".