25300028050 has 48 divisors (see below), whose sum is σ = 51358043232. Its totient is φ = 9196070400.

The previous prime is 25300028029. The next prime is 25300028051. The reversal of 25300028050 is 5082000352.

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (25300028051) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1480354 + ... + 1497346.

It is an arithmetic number, because the mean of its divisors is an integer number (1069959234).

Almost surely, 2^25300028050 is an apocalyptic number.

25300028050 is an abundant number, since it is smaller than the sum of its proper divisors (26058015182).

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

25300028050 is a wasteful number, since it uses less digits than its factorization.

25300028050 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19723 (or 19718 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 25300028050 in words is "twenty-five billion, three hundred million, twenty-eight thousand, fifty".