25353780000 has 120 divisors (see below), whose sum is σ = 83165665968. Its totient is φ = 6760992000.

The previous prime is 25353779977. The next prime is 25353780031. The reversal of 25353780000 is 8735352.

It is a tau number, because it is divible by the number of its divisors (120).

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 151282 + ... + 271281.

Almost surely, 2^25353780000 is an apocalyptic number.

25353780000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25353780000 is an abundant number, since it is smaller than the sum of its proper divisors (57811885968).

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

25353780000 is an equidigital number, since it uses as much as digits as its factorization.

25353780000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 422596 (or 422573 counting only the distinct ones).

The product of its (nonzero) digits is 25200, while the sum is 33.

The spelling of 25353780000 in words is "twenty-five billion, three hundred fifty-three million, seven hundred eighty thousand".