75044818944 has 156 divisors (see below), whose sum is σ = 217724938236. Its totient is φ = 24904728576.

The previous prime is 75044818873. The next prime is 75044818969. The reversal of 75044818944 is 44981844057.

75044818944 is a `hidden beast` number, since 7 + 504 + 48 + 1 + 8 + 94 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 21517369344 + 53527449600 = 146688^2 + 231360^2 .

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 8584944 + ... + 8593680.

It is an arithmetic number, because the mean of its divisors is an integer number (1395672681).

Almost surely, 2^75044818944 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 75044818944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (108862469118).

75044818944 is an abundant number, since it is smaller than the sum of its proper divisors (142680119292).

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

75044818944 is a wasteful number, since it uses less digits than its factorization.

75044818944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9000 (or 8975 counting only the distinct ones).

The product of its (nonzero) digits is 5160960, while the sum is 54.

The spelling of 75044818944 in words is "seventy-five billion, forty-four million, eight hundred eighteen thousand, nine hundred forty-four".