44255004864 has 112 divisors (see below), whose sum is σ = 133959648768. Its totient is φ = 12630970368.

The previous prime is 44255004779. The next prime is 44255004869. The reversal of 44255004864 is 46840055244.

It is a tau number, because it is divible by the number of its divisors (112).

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

It is not an unprimeable number, because it can be changed into a prime (44255004869) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1296237 + ... + 1329939.

Almost surely, 2^44255004864 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 44255004864, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66979824384).

44255004864 is an abundant number, since it is smaller than the sum of its proper divisors (89704643904).

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

44255004864 is a wasteful number, since it uses less digits than its factorization.

44255004864 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34702 (or 34692 counting only the distinct ones).

The product of its (nonzero) digits is 614400, while the sum is 42.

The spelling of 44255004864 in words is "forty-four billion, two hundred fifty-five million, four thousand, eight hundred sixty-four".