25994608380 has 72 divisors (see below), whose sum is σ = 84915728352. Its totient is φ = 6398672256.

The previous prime is 25994608363. The next prime is 25994608463. The reversal of 25994608380 is 8380649952.

25994608380 is a `hidden beast` number, since 2 + 599 + 46 + 0 + 8 + 3 + 8 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 5552064 + ... + 5556743.

It is an arithmetic number, because the mean of its divisors is an integer number (1179385116).

Almost surely, 2^25994608380 is an apocalyptic number.

25994608380 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25994608380 is an abundant number, since it is smaller than the sum of its proper divisors (58921119972).

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

25994608380 is a wasteful number, since it uses less digits than its factorization.

25994608380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11108835 (or 11108830 counting only the distinct ones).

The product of its (nonzero) digits is 3732480, while the sum is 54.

The spelling of 25994608380 in words is "twenty-five billion, nine hundred ninety-four million, six hundred eight thousand, three hundred eighty".