25269501952 has 36 divisors (see below), whose sum is σ = 50539073256. Its totient is φ = 12634685440.

The previous prime is 25269501949. The next prime is 25269501967. The reversal of 25269501952 is 25910596252.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 34677 + ... + 227467.

It is an arithmetic number, because the mean of its divisors is an integer number (1403863146).

Almost surely, 2^25269501952 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25269501952, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25269536628).

25269501952 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25269501952 is an frugal number, since it uses more digits than its factorization.

25269501952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 192825 (or 192793 counting only the distinct ones).

The product of its (nonzero) digits is 486000, while the sum is 46.

The spelling of 25269501952 in words is "twenty-five billion, two hundred sixty-nine million, five hundred one thousand, nine hundred fifty-two".