74440351552 has 224 divisors, whose sum is σ = 182777587200. Its totient is φ = 30003240960.

The previous prime is 74440351481. The next prime is 74440351567. The reversal of 74440351552 is 25515304447.

It is a tau number, because it is divible by the number of its divisors (224).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 30797448 + ... + 30799864.

Almost surely, 2^74440351552 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 74440351552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (91388793600).

74440351552 is an abundant number, since it is smaller than the sum of its proper divisors (108337235648).

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

74440351552 is a wasteful number, since it uses less digits than its factorization.

74440351552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2534 (or 2510 counting only the distinct ones).

The product of its (nonzero) digits is 336000, while the sum is 40.

Adding to 74440351552 its reverse (25515304447), we get a palindrome (99955655999).

The spelling of 74440351552 in words is "seventy-four billion, four hundred forty million, three hundred fifty-one thousand, five hundred fifty-two".