74518485444 has 36 divisors (see below), whose sum is σ = 202855878316. Its totient is φ = 22928764608.

The previous prime is 74518485439. The next prime is 74518485479. The reversal of 74518485444 is 44458481547.

74518485444 is a `hidden beast` number, since 7 + 4 + 51 + 8 + 48 + 544 + 4 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 28379445444 + 46139040000 = 168462^2 + 214800^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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, 79613299 + ... + 79614234.

Almost surely, 2^74518485444 is an apocalyptic number.

It is an amenable number.

74518485444 is an abundant number, since it is smaller than the sum of its proper divisors (128337392872).

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

74518485444 is a wasteful number, since it uses less digits than its factorization.

74518485444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159227556 (or 159227551 counting only the distinct ones).

The product of its digits is 11468800, while the sum is 54.

The spelling of 74518485444 in words is "seventy-four billion, five hundred eighteen million, four hundred eighty-five thousand, four hundred forty-four".