25748406850 has 24 divisors (see below), whose sum is σ = 49974301440. Its totient is φ = 9851563920.

The previous prime is 25748406811. The next prime is 25748406851. The reversal of 25748406850 is 5860484752.

It is a junction number, because it is equal to n+sod(n) for n = 25748406794 and 25748406803.

It is not an unprimeable number, because it can be changed into a prime (25748406851) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 11193810 + ... + 11196109.

It is an arithmetic number, because the mean of its divisors is an integer number (2082262560).

Almost surely, 2^25748406850 is an apocalyptic number.

25748406850 is a deficient number, since it is larger than the sum of its proper divisors (24225894590).

25748406850 is a wasteful number, since it uses less digits than its factorization.

25748406850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22389954 (or 22389949 counting only the distinct ones).

The product of its (nonzero) digits is 2150400, while the sum is 49.

The spelling of 25748406850 in words is "twenty-five billion, seven hundred forty-eight million, four hundred six thousand, eight hundred fifty".