25252803930 has 64 divisors (see below), whose sum is σ = 62713284480. Its totient is φ = 6503540736.

The previous prime is 25252803913. The next prime is 25252803941. The reversal of 25252803930 is 3930825252.

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, 4834 + ... + 224786.

It is an arithmetic number, because the mean of its divisors is an integer number (979895070).

Almost surely, 2^25252803930 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25252803930, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31356642240).

25252803930 is an abundant number, since it is smaller than the sum of its proper divisors (37460480550).

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

25252803930 is a wasteful number, since it uses less digits than its factorization.

25252803930 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220095.

The product of its (nonzero) digits is 129600, while the sum is 39.

The spelling of 25252803930 in words is "twenty-five billion, two hundred fifty-two million, eight hundred three thousand, nine hundred thirty".