2598564840 has 64 divisors (see below), whose sum is σ = 8134646400. Its totient is φ = 662821632.

The previous prime is 2598564827. The next prime is 2598564847. The reversal of 2598564840 is 484658952.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2598564847) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 467995 + ... + 473514.

It is an arithmetic number, because the mean of its divisors is an integer number (127103850).

Almost surely, 2^2598564840 is an apocalyptic number.

2598564840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2598564840 is an abundant number, since it is smaller than the sum of its proper divisors (5536081560).

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

2598564840 is a wasteful number, since it uses less digits than its factorization.

2598564840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 941546 (or 941542 counting only the distinct ones).

The product of its (nonzero) digits is 2764800, while the sum is 51.

The square root of 2598564840 is about 50976.1202917601. The cubic root of 2598564840 is about 1374.8158148882.

The spelling of 2598564840 in words is "two billion, five hundred ninety-eight million, five hundred sixty-four thousand, eight hundred forty".