25857380322 has 24 divisors (see below), whose sum is σ = 56204478720. Its totient is φ = 8591410680.

The previous prime is 25857380303. The next prime is 25857380327. The reversal of 25857380322 is 22308375852.

25857380322 is a `hidden beast` number, since 2 + 58 + 573 + 8 + 0 + 3 + 22 = 666.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (25857380327) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2303922 + ... + 2315117.

It is an arithmetic number, because the mean of its divisors is an integer number (2341853280).

Almost surely, 2^25857380322 is an apocalyptic number.

25857380322 is an abundant number, since it is smaller than the sum of its proper divisors (30347098398).

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

25857380322 is a wasteful number, since it uses less digits than its factorization.

25857380322 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4619358 (or 4619355 counting only the distinct ones).

The product of its (nonzero) digits is 806400, while the sum is 45.

The spelling of 25857380322 in words is "twenty-five billion, eight hundred fifty-seven million, three hundred eighty thousand, three hundred twenty-two".