25594009480 has 64 divisors (see below), whose sum is σ = 62763543360. Its totient is φ = 9336223488.

The previous prime is 25594009411. The next prime is 25594009481. The reversal of 25594009480 is 8490049552.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 25594009480.

It is not an unprimeable number, because it can be changed into a prime (25594009481) 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, 253342 + ... + 339661.

It is an arithmetic number, because the mean of its divisors is an integer number (980680365).

Almost surely, 2^25594009480 is an apocalyptic number.

25594009480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25594009480 is an abundant number, since it is smaller than the sum of its proper divisors (37169533880).

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

25594009480 is a wasteful number, since it uses less digits than its factorization.

25594009480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 593110 (or 593106 counting only the distinct ones).

The product of its (nonzero) digits is 518400, while the sum is 46.

The spelling of 25594009480 in words is "twenty-five billion, five hundred ninety-four million, nine thousand, four hundred eighty".