44855387136 has 396 divisors, whose sum is σ = 152896161600. Its totient is φ = 12626288640.

The previous prime is 44855387113. The next prime is 44855387173. The reversal of 44855387136 is 63178355844.

44855387136 is a `hidden beast` number, since 4 + 4 + 8 + 5 + 538 + 71 + 36 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 32061765 + ... + 32063163.

Almost surely, 2^44855387136 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 44855387136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (76448080800).

44855387136 is an abundant number, since it is smaller than the sum of its proper divisors (108040774464).

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

44855387136 is a wasteful number, since it uses less digits than its factorization.

44855387136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1510 (or 1482 counting only the distinct ones).

The product of its digits is 9676800, while the sum is 54.

The spelling of 44855387136 in words is "forty-four billion, eight hundred fifty-five million, three hundred eighty-seven thousand, one hundred thirty-six".