25449826080 has 96 divisors (see below), whose sum is σ = 91619385984. Its totient is φ = 5817102336.

The previous prime is 25449826009. The next prime is 25449826109. The reversal of 25449826080 is 8062894452.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

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, 3783817 + ... + 3790536.

It is an arithmetic number, because the mean of its divisors is an integer number (954368604).

Almost surely, 2^25449826080 is an apocalyptic number.

25449826080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25449826080 is an abundant number, since it is smaller than the sum of its proper divisors (66169559904).

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

25449826080 is a wasteful number, since it uses less digits than its factorization.

25449826080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7574378 (or 7574370 counting only the distinct ones).

The product of its (nonzero) digits is 1105920, while the sum is 48.

The spelling of 25449826080 in words is "twenty-five billion, four hundred forty-nine million, eight hundred twenty-six thousand, eighty".