7485574440 has 64 divisors (see below), whose sum is σ = 22674787200. Its totient is φ = 1976769792.

The previous prime is 7485574417. The next prime is 7485574441. The reversal of 7485574440 is 444755847.

It is a self number, because there is not a number n which added to its sum of digits gives 7485574440.

It is not an unprimeable number, because it can be changed into a prime (7485574441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290455 + ... + 315174.

It is an arithmetic number, because the mean of its divisors is an integer number (354293550).

Almost surely, 2^7485574440 is an apocalyptic number.

It is an amenable number.

7485574440 is an abundant number, since it is smaller than the sum of its proper divisors (15189212760).

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

7485574440 is a wasteful number, since it uses less digits than its factorization.

7485574440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 605746 (or 605742 counting only the distinct ones).

The product of its (nonzero) digits is 2508800, while the sum is 48.

The square root of 7485574440 is about 86519.2142821466. The cubic root of 7485574440 is about 1956.1780338199.

The spelling of 7485574440 in words is "seven billion, four hundred eighty-five million, five hundred seventy-four thousand, four hundred forty".