25248475400 has 96 divisors (see below), whose sum is σ = 61338306240. Its totient is φ = 9647151360.

The previous prime is 25248475397. The next prime is 25248475453. The reversal of 25248475400 is 457484252.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 3800882 + ... + 3807518.

It is an arithmetic number, because the mean of its divisors is an integer number (638940690).

Almost surely, 2^25248475400 is an apocalyptic number.

25248475400 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25248475400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30669153120).

25248475400 is an abundant number, since it is smaller than the sum of its proper divisors (36089830840).

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

25248475400 is a wasteful number, since it uses less digits than its factorization.

25248475400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7503 (or 7494 counting only the distinct ones).

The product of its (nonzero) digits is 358400, while the sum is 41.

The spelling of 25248475400 in words is "twenty-five billion, two hundred forty-eight million, four hundred seventy-five thousand, four hundred".