2597982280 has 64 divisors (see below), whose sum is σ = 6077836800. Its totient is φ = 998369280.

The previous prime is 2597982263. The next prime is 2597982301. The reversal of 2597982280 is 822897952.

It is a happy 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, 164824 + ... + 179896.

It is an arithmetic number, because the mean of its divisors is an integer number (94966200).

Almost surely, 2^2597982280 is an apocalyptic number.

2597982280 is a gapful number since it is divisible by the number (20) 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 2597982280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3038918400).

2597982280 is an abundant number, since it is smaller than the sum of its proper divisors (3479854520).

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

2597982280 is a wasteful number, since it uses less digits than its factorization.

2597982280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15254 (or 15250 counting only the distinct ones).

The product of its (nonzero) digits is 1451520, while the sum is 52.

The square root of 2597982280 is about 50970.4059234376. The cubic root of 2597982280 is about 1374.7130693846.

The spelling of 2597982280 in words is "two billion, five hundred ninety-seven million, nine hundred eighty-two thousand, two hundred eighty".