25005528030 has 32 divisors (see below), whose sum is σ = 68586591744. Its totient is φ = 5715549216.

The previous prime is 25005528019. The next prime is 25005528043. The reversal of 25005528030 is 3082550052.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

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 15 ways as a sum of consecutive naturals, for example, 59536762 + ... + 59537181.

It is an arithmetic number, because the mean of its divisors is an integer number (2143330992).

Almost surely, 2^25005528030 is an apocalyptic number.

25005528030 is an abundant number, since it is smaller than the sum of its proper divisors (43581063714).

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

25005528030 is a wasteful number, since it uses less digits than its factorization.

25005528030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 119073960.

The product of its (nonzero) digits is 12000, while the sum is 30.

The spelling of 25005528030 in words is "twenty-five billion, five million, five hundred twenty-eight thousand, thirty".