25440152200 has 48 divisors (see below), whose sum is σ = 59413697280. Its totient is φ = 10130410560.

The previous prime is 25440152167. The next prime is 25440152237. The reversal of 25440152200 is 225104452.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 240604 + ... + 329803.

It is an arithmetic number, because the mean of its divisors is an integer number (1237785360).

Almost surely, 2^25440152200 is an apocalyptic number.

25440152200 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25440152200 is an abundant number, since it is smaller than the sum of its proper divisors (33973545080).

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

25440152200 is a wasteful number, since it uses less digits than its factorization.

25440152200 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 570646 (or 570637 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 25.

Adding to 25440152200 its reverse (225104452), we get a palindrome (25665256652).

The spelling of 25440152200 in words is "twenty-five billion, four hundred forty million, one hundred fifty-two thousand, two hundred".