25488099252 has 480 divisors, whose sum is σ = 92617620480. Its totient is φ = 5901050880.

The previous prime is 25488099227. The next prime is 25488099289. The reversal of 25488099252 is 25299088452.

It is a happy number.

25488099252 is a `hidden beast` number, since 2 + 548 + 8 + 0 + 9 + 92 + 5 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 8056623 + ... + 8059785.

It is an arithmetic number, because the mean of its divisors is an integer number (192953376).

Almost surely, 2^25488099252 is an apocalyptic number.

25488099252 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 25488099252, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46308810240).

25488099252 is an abundant number, since it is smaller than the sum of its proper divisors (67129521228).

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

25488099252 is a wasteful number, since it uses less digits than its factorization.

25488099252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3233 (or 3222 counting only the distinct ones).

The product of its (nonzero) digits is 4147200, while the sum is 54.

The spelling of 25488099252 in words is "twenty-five billion, four hundred eighty-eight million, ninety-nine thousand, two hundred fifty-two".