25075530030 has 64 divisors (see below), whose sum is σ = 60510820608. Its totient is φ = 6650257920.

The previous prime is 25075530019. The next prime is 25075530047. The reversal of 25075530030 is 3003557052.

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

It is a self number, because there is not a number n which added to its sum of digits gives 25075530030.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 10574745 + ... + 10577115.

It is an arithmetic number, because the mean of its divisors is an integer number (945481572).

Almost surely, 2^25075530030 is an apocalyptic number.

25075530030 is an abundant number, since it is smaller than the sum of its proper divisors (35435290578).

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

25075530030 is a wasteful number, since it uses less digits than its factorization.

25075530030 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4161.

The product of its (nonzero) digits is 15750, while the sum is 30.

The spelling of 25075530030 in words is "twenty-five billion, seventy-five million, five hundred thirty thousand, thirty".