44145444336 has 160 divisors (see below), whose sum is σ = 133680872448. Its totient is φ = 12292300800.

The previous prime is 44145444323. The next prime is 44145444359. The reversal of 44145444336 is 63344454144.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2680800 + ... + 2697216.

Almost surely, 2^44145444336 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 44145444336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66840436224).

44145444336 is an abundant number, since it is smaller than the sum of its proper divisors (89535428112).

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

44145444336 is a wasteful number, since it uses less digits than its factorization.

44145444336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 16639 (or 16633 counting only the distinct ones).

The product of its digits is 1105920, while the sum is 42.

The spelling of 44145444336 in words is "forty-four billion, one hundred forty-five million, four hundred forty-four thousand, three hundred thirty-six".