25220286790 has 8 divisors (see below), whose sum is σ = 45396516240. Its totient is φ = 10088114712.

The previous prime is 25220286787. The next prime is 25220286821. The reversal of 25220286790 is 9768202252.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1261014330 + ... + 1261014349.

It is an arithmetic number, because the mean of its divisors is an integer number (5674564530).

Almost surely, 2^25220286790 is an apocalyptic number.

25220286790 is a deficient number, since it is larger than the sum of its proper divisors (20176229450).

25220286790 is a wasteful number, since it uses less digits than its factorization.

25220286790 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2522028686.

The product of its (nonzero) digits is 241920, while the sum is 43.

The spelling of 25220286790 in words is "twenty-five billion, two hundred twenty million, two hundred eighty-six thousand, seven hundred ninety".