74444456552 has 32 divisors (see below), whose sum is σ = 141206085000. Its totient is φ = 36789823488.

The previous prime is 74444456551. The next prime is 74444456561. The reversal of 74444456552 is 25565444447.

It can be written as a sum of positive squares in 4 ways, for example, as 70561421956 + 3883034596 = 265634^2 + 62314^2 .

It is a super-2 number, since 2×74444456552² (a number of 23 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 74444456552.

It is not an unprimeable number, because it can be changed into a prime (74444456551) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1967024 + ... + 2004512.

Almost surely, 2^74444456552 is an apocalyptic number.

It is an amenable number.

74444456552 is a deficient number, since it is larger than the sum of its proper divisors (66761628448).

74444456552 is a wasteful number, since it uses less digits than its factorization.

74444456552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40373 (or 40369 counting only the distinct ones).

The product of its digits is 10752000, while the sum is 50.

The spelling of 74444456552 in words is "seventy-four billion, four hundred forty-four million, four hundred fifty-six thousand, five hundred fifty-two".