4640325560 has 64 divisors (see below), whose sum is σ = 11255086080. Its totient is φ = 1711641600.

The previous prime is 4640325553. The next prime is 4640325611. The reversal of 4640325560 is 655230464.

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 4640325560.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 594644 + ... + 602396.

It is an arithmetic number, because the mean of its divisors is an integer number (175860720).

Almost surely, 2^4640325560 is an apocalyptic number.

4640325560 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 4640325560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5627543040).

4640325560 is an abundant number, since it is smaller than the sum of its proper divisors (6614760520).

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

4640325560 is a wasteful number, since it uses less digits than its factorization.

4640325560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8928 (or 8924 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 35.

The square root of 4640325560 is about 68119.9351144729. The cubic root of 4640325560 is about 1667.9491911366.

The spelling of 4640325560 in words is "four billion, six hundred forty million, three hundred twenty-five thousand, five hundred sixty".