25501500330 has 16 divisors (see below), whose sum is σ = 61203600864. Its totient is φ = 6800400080.

The previous prime is 25501500329. The next prime is 25501500361. The reversal of 25501500330 is 3300510552.

It is a self number, because there is not a number n which added to its sum of digits gives 25501500330.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 425024976 + ... + 425025035.

It is an arithmetic number, because the mean of its divisors is an integer number (3825225054).

Almost surely, 2^25501500330 is an apocalyptic number.

25501500330 is an abundant number, since it is smaller than the sum of its proper divisors (35702100534).

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

25501500330 is a wasteful number, since it uses less digits than its factorization.

25501500330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 850050021.

The product of its (nonzero) digits is 2250, while the sum is 24.

The spelling of 25501500330 in words is "twenty-five billion, five hundred one million, five hundred thousand, three hundred thirty".