25416838794 has 8 divisors (see below), whose sum is σ = 50833677600. Its totient is φ = 8472279596.

The previous prime is 25416838757. The next prime is 25416838813. The reversal of 25416838794 is 49783861452.

It is a happy number.

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

25416838794 is an admirable 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, 2118069894 + ... + 2118069905.

It is an arithmetic number, because the mean of its divisors is an integer number (6354209700).

Almost surely, 2^25416838794 is an apocalyptic number.

25416838794 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

25416838794 is a wasteful number, since it uses less digits than its factorization.

25416838794 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4236139804.

The product of its digits is 11612160, while the sum is 57.

The spelling of 25416838794 in words is "twenty-five billion, four hundred sixteen million, eight hundred thirty-eight thousand, seven hundred ninety-four".