25233841680 has 40 divisors (see below), whose sum is σ = 78224909952. Its totient is φ = 6729024384.

The previous prime is 25233841663. The next prime is 25233841681. The reversal of 25233841680 is 8614833252.

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

It is not an unprimeable number, because it can be changed into a prime (25233841681) 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, 52570264 + ... + 52570743.

Almost surely, 2^25233841680 is an apocalyptic number.

25233841680 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25233841680 is an abundant number, since it is smaller than the sum of its proper divisors (52991068272).

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

25233841680 is a wasteful number, since it uses less digits than its factorization.

25233841680 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 105141023 (or 105141017 counting only the distinct ones).

The product of its (nonzero) digits is 276480, while the sum is 42.

The spelling of 25233841680 in words is "twenty-five billion, two hundred thirty-three million, eight hundred forty-one thousand, six hundred eighty".