44989154136 has 48 divisors (see below), whose sum is σ = 126358432200. Its totient is φ = 14996384064.

The previous prime is 44989154131. The next prime is 44989154143. The reversal of 44989154136 is 63145198944.

44989154136 is a `hidden beast` number, since 4 + 4 + 9 + 8 + 91 + 541 + 3 + 6 = 666.

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 (44989154131) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11569341 + ... + 11573228.

Almost surely, 2^44989154136 is an apocalyptic number.

It is an amenable number.

44989154136 is an abundant number, since it is smaller than the sum of its proper divisors (81369278064).

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

44989154136 is a wasteful number, since it uses less digits than its factorization.

44989154136 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23142590 (or 23142574 counting only the distinct ones).

The product of its digits is 3732480, while the sum is 54.

The spelling of 44989154136 in words is "forty-four billion, nine hundred eighty-nine million, one hundred fifty-four thousand, one hundred thirty-six".