2591804560 has 40 divisors (see below), whose sum is σ = 6047291520. Its totient is φ = 1033049472.

The previous prime is 2591804557. The next prime is 2591804561. The reversal of 2591804560 is 654081952.

2591804560 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a Harshad number since it is a multiple of its sum of digits (40).

It is not an unprimeable number, because it can be changed into a prime (2591804561) 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, 34600 + ... + 79879.

It is an arithmetic number, because the mean of its divisors is an integer number (151182288).

Almost surely, 2^2591804560 is an apocalyptic number.

2591804560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

2591804560 is an abundant number, since it is smaller than the sum of its proper divisors (3455486960).

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

2591804560 is a wasteful number, since it uses less digits than its factorization.

2591804560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114775 (or 114769 counting only the distinct ones).

The product of its (nonzero) digits is 86400, while the sum is 40.

The square root of 2591804560 is about 50909.7688071749. The cubic root of 2591804560 is about 1373.6225650494.

The spelling of 2591804560 in words is "two billion, five hundred ninety-one million, eight hundred four thousand, five hundred sixty".