25422870050 has 18 divisors (see below), whose sum is σ = 47288635443. Its totient is φ = 10168697040.

The previous prime is 25422870049. The next prime is 25422870079. The reversal of 25422870050 is 5007822452.

It can be written as a sum of positive squares in 5 ways, for example, as 24042673249 + 1380196801 = 155057^2 + 37151^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=112745.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 8 ways as a sum of consecutive naturals, for example, 1116176 + ... + 1138724.

Almost surely, 2^25422870050 is an apocalyptic number.

25422870050 is a deficient number, since it is larger than the sum of its proper divisors (21865765393).

25422870050 is an frugal number, since it uses more digits than its factorization.

25422870050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45110 (or 22556 counting only the distinct ones).

The product of its (nonzero) digits is 44800, while the sum is 35.

The spelling of 25422870050 in words is "twenty-five billion, four hundred twenty-two million, eight hundred seventy thousand, fifty".