25378944050 has 24 divisors (see below), whose sum is σ = 49257222336. Its totient is φ = 9710204240.

The previous prime is 25378944047. The next prime is 25378944083. The reversal of 25378944050 is 5044987352.

It is a hoax number, since the sum of its digits (47) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 25378943986 and 25378944004.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11033174 + ... + 11035473.

It is an arithmetic number, because the mean of its divisors is an integer number (2052384264).

Almost surely, 2^25378944050 is an apocalyptic number.

25378944050 is a deficient number, since it is larger than the sum of its proper divisors (23878278286).

25378944050 is a wasteful number, since it uses less digits than its factorization.

25378944050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22068682 (or 22068677 counting only the distinct ones).

The product of its (nonzero) digits is 1209600, while the sum is 47.

The spelling of 25378944050 in words is "twenty-five billion, three hundred seventy-eight million, nine hundred forty-four thousand, fifty".