2563520880 has 40 divisors (see below), whose sum is σ = 7946915472. Its totient is φ = 683605504.

The previous prime is 2563520863. The next prime is 2563520887. The reversal of 2563520880 is 880253652.

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

It is a hoax number, since the sum of its digits (39) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2563520887) 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, 5340429 + ... + 5340908.

Almost surely, 2^2563520880 is an apocalyptic number.

2563520880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2563520880 is an abundant number, since it is smaller than the sum of its proper divisors (5383394592).

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

2563520880 is a wasteful number, since it uses less digits than its factorization.

2563520880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10681353 (or 10681347 counting only the distinct ones).

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 2563520880 is about 50631.2243580974. The cubic root of 2563520880 is about 1368.6076179744.

The spelling of 2563520880 in words is "two billion, five hundred sixty-three million, five hundred twenty thousand, eight hundred eighty".