4440572540 has 12 divisors (see below), whose sum is σ = 9325202376. Its totient is φ = 1776229008.

The previous prime is 4440572453. The next prime is 4440572581. The reversal of 4440572540 is 452750444.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 4440572540.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 111014294 + ... + 111014333.

It is an arithmetic number, because the mean of its divisors is an integer number (777100198).

Almost surely, 2^4440572540 is an apocalyptic number.

It is an amenable number.

4440572540 is an abundant number, since it is smaller than the sum of its proper divisors (4884629836).

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

4440572540 is a wasteful number, since it uses less digits than its factorization.

4440572540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 222028636 (or 222028634 counting only the distinct ones).

The product of its (nonzero) digits is 89600, while the sum is 35.

The square root of 4440572540 is about 66637.6210559771. The cubic root of 4440572540 is about 1643.6637972981.

The spelling of 4440572540 in words is "four billion, four hundred forty million, five hundred seventy-two thousand, five hundred forty".