25417445000 has 40 divisors (see below), whose sum is σ = 59553085350. Its totient is φ = 10166976000.

The previous prime is 25417444981. The next prime is 25417445077. The reversal of 25417445000 is 54471452.

It can be written as a sum of positive squares in 5 ways, for example, as 621903844 + 24795541156 = 24938^2 + 157466^2 .

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

It is an unprimeable number.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 2536745 + ... + 2546744.

Almost surely, 2^25417445000 is an apocalyptic number.

25417445000 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25417445000 is an abundant number, since it is smaller than the sum of its proper divisors (34135640350).

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

25417445000 is an equidigital number, since it uses as much as digits as its factorization.

25417445000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5083515 (or 5083496 counting only the distinct ones).

The product of its (nonzero) digits is 22400, while the sum is 32.

The spelling of 25417445000 in words is "twenty-five billion, four hundred seventeen million, four hundred forty-five thousand".