25254357488 has 10 divisors (see below), whose sum is σ = 48930317664. Its totient is φ = 12627178736.

The previous prime is 25254357487. The next prime is 25254357493. The reversal of 25254357488 is 88475345252.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25254357487) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 789198656 + ... + 789198687.

Almost surely, 2^25254357488 is an apocalyptic number.

It is an amenable number.

25254357488 is a deficient number, since it is larger than the sum of its proper divisors (23675960176).

25254357488 is a wasteful number, since it uses less digits than its factorization.

25254357488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1578397351 (or 1578397345 counting only the distinct ones).

The product of its digits is 10752000, while the sum is 53.

The spelling of 25254357488 in words is "twenty-five billion, two hundred fifty-four million, three hundred fifty-seven thousand, four hundred eighty-eight".