2525400448 has 64 divisors (see below), whose sum is σ = 5126050800. Its totient is φ = 1239017472.

The previous prime is 2525400433. The next prime is 2525400463. The reversal of 2525400448 is 8440045252.

It is an interprime number because it is at equal distance from previous prime (2525400433) and next prime (2525400463).

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3335686 + ... + 3336442.

Almost surely, 2^2525400448 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2525400448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2563025400).

2525400448 is an abundant number, since it is smaller than the sum of its proper divisors (2600650352).

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

2525400448 is an equidigital number, since it uses as much as digits as its factorization.

2525400448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1227 (or 1215 counting only the distinct ones).

The product of its (nonzero) digits is 51200, while the sum is 34.

The square root of 2525400448 is about 50253.3625541615. The cubic root of 2525400448 is about 1361.7898234064.

The spelling of 2525400448 in words is "two billion, five hundred twenty-five million, four hundred thousand, four hundred forty-eight".