4572515640 has 256 divisors, whose sum is σ = 17426949120. Its totient is φ = 932106240.

The previous prime is 4572515627. The next prime is 4572515683. The reversal of 4572515640 is 465152754.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 485052 + ... + 494388.

It is an arithmetic number, because the mean of its divisors is an integer number (68074020).

Almost surely, 2^4572515640 is an apocalyptic number.

4572515640 is a gapful number since it is divisible by the number (40) 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 4572515640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8713474560).

4572515640 is an abundant number, since it is smaller than the sum of its proper divisors (12854433480).

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

4572515640 is a wasteful number, since it uses less digits than its factorization.

4572515640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9422 (or 9418 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 39.

The square root of 4572515640 is about 67620.3788809261. The cubic root of 4572515640 is about 1659.7846093981.

The spelling of 4572515640 in words is "four billion, five hundred seventy-two million, five hundred fifteen thousand, six hundred forty".