74045008840 has 64 divisors (see below), whose sum is σ = 185613845760. Its totient is φ = 26352568320.

The previous prime is 74045008819. The next prime is 74045008841. The reversal of 74045008840 is 4880054047.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 74045008793 and 74045008802.

It is not an unprimeable number, because it can be changed into a prime (74045008841) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 1769577 + ... + 1810936.

It is an arithmetic number, because the mean of its divisors is an integer number (2900216340).

Almost surely, 2^74045008840 is an apocalyptic number.

It is an amenable number.

74045008840 is an abundant number, since it is smaller than the sum of its proper divisors (111568836920).

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

74045008840 is a wasteful number, since it uses less digits than its factorization.

74045008840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3580582 (or 3580578 counting only the distinct ones).

The product of its (nonzero) digits is 143360, while the sum is 40.

The spelling of 74045008840 in words is "seventy-four billion, forty-five million, eight thousand, eight hundred forty".