44504644140 has 288 divisors, whose sum is σ = 153524577024. Its totient is φ = 10339591680.

The previous prime is 44504644139. The next prime is 44504644153. The reversal of 44504644140 is 4144640544.

44504644140 is a `hidden beast` number, since 4 + 4 + 5 + 0 + 4 + 644 + 1 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 44504644095 and 44504644104.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 4903887 + ... + 4912953.

It is an arithmetic number, because the mean of its divisors is an integer number (533071448).

Almost surely, 2^44504644140 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 44504644140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76762288512).

44504644140 is an abundant number, since it is smaller than the sum of its proper divisors (109019932884).

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

44504644140 is a wasteful number, since it uses less digits than its factorization.

44504644140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9197 (or 9192 counting only the distinct ones).

The product of its (nonzero) digits is 122880, while the sum is 36.

The spelling of 44504644140 in words is "forty-four billion, five hundred four million, six hundred forty-four thousand, one hundred forty".