25850441904 has 80 divisors (see below), whose sum is σ = 78383102208. Its totient is φ = 7186219776.

The previous prime is 25850441879. The next prime is 25850441923. The reversal of 25850441904 is 40914405852.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1027242 + ... + 1052105.

Almost surely, 2^25850441904 is an apocalyptic number.

25850441904 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

25850441904 is an abundant number, since it is smaller than the sum of its proper divisors (52532660304).

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

25850441904 is a wasteful number, since it uses less digits than its factorization.

25850441904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2079402 (or 2079396 counting only the distinct ones).

The product of its (nonzero) digits is 230400, while the sum is 42.

The spelling of 25850441904 in words is "twenty-five billion, eight hundred fifty million, four hundred forty-one thousand, nine hundred four".