25264025250 has 64 divisors (see below), whose sum is σ = 63407740032. Its totient is φ = 6699816000.

The previous prime is 25264025219. The next prime is 25264025327. The reversal of 25264025250 is 5252046252.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 42697 + ... + 228803.

It is an arithmetic number, because the mean of its divisors is an integer number (990745938).

Almost surely, 2^25264025250 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25264025250, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31703870016).

25264025250 is an abundant number, since it is smaller than the sum of its proper divisors (38143714782).

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

25264025250 is a wasteful number, since it uses less digits than its factorization.

25264025250 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186308 (or 186298 counting only the distinct ones).

The product of its (nonzero) digits is 48000, while the sum is 33.

The spelling of 25264025250 in words is "twenty-five billion, two hundred sixty-four million, twenty-five thousand, two hundred fifty".