25720750050 has 48 divisors (see below), whose sum is σ = 63837655200. Its totient is φ = 6853469440.

The previous prime is 25720750031. The next prime is 25720750061. The reversal of 25720750050 is 5005702752.

It is a junction number, because it is equal to n+sod(n) for n = 25720749993 and 25720750020.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 125626 + ... + 259274.

It is an arithmetic number, because the mean of its divisors is an integer number (1329951150).

Almost surely, 2^25720750050 is an apocalyptic number.

25720750050 is an abundant number, since it is smaller than the sum of its proper divisors (38116905150).

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

25720750050 is a wasteful number, since it uses less digits than its factorization.

25720750050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 134947 (or 134942 counting only the distinct ones).

The product of its (nonzero) digits is 24500, while the sum is 33.

The spelling of 25720750050 in words is "twenty-five billion, seven hundred twenty million, seven hundred fifty thousand, fifty".