44685139968 has 896 divisors, whose sum is σ = 167761920000. Its totient is φ = 11705057280.

The previous prime is 44685139921. The next prime is 44685140041. The reversal of 44685139968 is 86993158644.

44685139968 is a `hidden beast` number, since 4 + 468 + 51 + 39 + 96 + 8 = 666.

It is a tau number, because it is divible by the number of its divisors (896).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 1441456113 + ... + 1441456143.

Almost surely, 2^44685139968 is an apocalyptic number.

44685139968 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 44685139968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (83880960000).

44685139968 is an abundant number, since it is smaller than the sum of its proper divisors (123076780032).

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

44685139968 is an equidigital number, since it uses as much as digits as its factorization.

44685139968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 106 (or 62 counting only the distinct ones).

The product of its digits is 44789760, while the sum is 63.

The spelling of 44685139968 in words is "forty-four billion, six hundred eighty-five million, one hundred thirty-nine thousand, nine hundred sixty-eight".