74556440000 has 210 divisors, whose sum is σ = 215065188360. Its totient is φ = 25561536000.

The previous prime is 74556439987. The next prime is 74556440017. The reversal of 74556440000 is 4465547.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 1940981 + ... + 1979019.

Almost surely, 2^74556440000 is an apocalyptic number.

74556440000 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 74556440000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (107532594180).

74556440000 is an abundant number, since it is smaller than the sum of its proper divisors (140508748360).

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

74556440000 is an equidigital number, since it uses as much as digits as its factorization.

74556440000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38085 (or 38053 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 35.

The spelling of 74556440000 in words is "seventy-four billion, five hundred fifty-six million, four hundred forty thousand".