2558397680 has 40 divisors (see below), whose sum is σ = 6037067472. Its totient is φ = 1008082944.

The previous prime is 2558397679. The next prime is 2558397683. The reversal of 2558397680 is 867938552.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2558397683) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 233297 + ... + 244016.

Almost surely, 2^2558397680 is an apocalyptic number.

2558397680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2558397680 is an abundant number, since it is smaller than the sum of its proper divisors (3478669792).

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

2558397680 is a wasteful number, since it uses less digits than its factorization.

2558397680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 477393 (or 477387 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 53.

The square root of 2558397680 is about 50580.6057694053. The cubic root of 2558397680 is about 1367.6952885389.

The spelling of 2558397680 in words is "two billion, five hundred fifty-eight million, three hundred ninety-seven thousand, six hundred eighty".