44963590644 has 96 divisors (see below), whose sum is σ = 133320400640. Its totient is φ = 12837585024.

The previous prime is 44963590643. The next prime is 44963590681. The reversal of 44963590644 is 44609536944.

44963590644 is a `hidden beast` number, since 4 + 4 + 9 + 6 + 3 + 590 + 6 + 44 = 666.

44963590644 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (44963590643) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1078002 + ... + 1118934.

Almost surely, 2^44963590644 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44963590644, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66660200320).

44963590644 is an abundant number, since it is smaller than the sum of its proper divisors (88356809996).

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

44963590644 is a wasteful number, since it uses less digits than its factorization.

44963590644 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42406 (or 42398 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 54.

The spelling of 44963590644 in words is "forty-four billion, nine hundred sixty-three million, five hundred ninety thousand, six hundred forty-four".