25097256272 has 80 divisors (see below), whose sum is σ = 55923277824. Its totient is φ = 10804848000.

The previous prime is 25097256259. The next prime is 25097256277. The reversal of 25097256272 is 27265279052.

It is a Harshad number since it is a multiple of its sum of digits (47).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25097256277) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 207497 + ... + 305367.

Almost surely, 2^25097256272 is an apocalyptic number.

25097256272 is a gapful number since it is divisible by the number (22) 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 25097256272, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27961638912).

25097256272 is an abundant number, since it is smaller than the sum of its proper divisors (30826021552).

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

25097256272 is a wasteful number, since it uses less digits than its factorization.

25097256272 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 97968 (or 97962 counting only the distinct ones).

The product of its (nonzero) digits is 1058400, while the sum is 47.

The spelling of 25097256272 in words is "twenty-five billion, ninety-seven million, two hundred fifty-six thousand, two hundred seventy-two".