74188940040 has 96 divisors (see below), whose sum is σ = 250044238080. Its totient is φ = 19783714752.

The previous prime is 74188939997. The next prime is 74188940051. The reversal of 74188940040 is 4004988147.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3806584 + ... + 3826023.

It is an arithmetic number, because the mean of its divisors is an integer number (2604627480).

Almost surely, 2^74188940040 is an apocalyptic number.

It is an amenable number.

74188940040 is an abundant number, since it is smaller than the sum of its proper divisors (175855298040).

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

74188940040 is a wasteful number, since it uses less digits than its factorization.

74188940040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7632633 (or 7632617 counting only the distinct ones).

The product of its (nonzero) digits is 258048, while the sum is 45.

The spelling of 74188940040 in words is "seventy-four billion, one hundred eighty-eight million, nine hundred forty thousand, forty".