25849094496 has 48 divisors (see below), whose sum is σ = 68616298800. Its totient is φ = 8519548928.

The previous prime is 25849094489. The next prime is 25849094497. The reversal of 25849094496 is 69449094852.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25849094497) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1504161 + ... + 1521248.

It is an arithmetic number, because the mean of its divisors is an integer number (1429506225).

Almost surely, 2^25849094496 is an apocalyptic number.

It is an amenable number.

25849094496 is an abundant number, since it is smaller than the sum of its proper divisors (42767204304).

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

25849094496 is a wasteful number, since it uses less digits than its factorization.

25849094496 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3025511 (or 3025503 counting only the distinct ones).

The product of its (nonzero) digits is 22394880, while the sum is 60.

The spelling of 25849094496 in words is "twenty-five billion, eight hundred forty-nine million, ninety-four thousand, four hundred ninety-six".