25132996800 has 252 divisors, whose sum is σ = 90463441120. Its totient is φ = 6616995840.

The previous prime is 25132996789. The next prime is 25132996807. The reversal of 25132996800 is 869923152.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (25132996807) by changing a digit.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 1126554 + ... + 1148646.

Almost surely, 2^25132996800 is an apocalyptic number.

25132996800 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 25132996800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (45231720560).

25132996800 is an abundant number, since it is smaller than the sum of its proper divisors (65330444320).

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

25132996800 is a wasteful number, since it uses less digits than its factorization.

25132996800 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22200 (or 22182 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 45.

The spelling of 25132996800 in words is "twenty-five billion, one hundred thirty-two million, nine hundred ninety-six thousand, eight hundred".