25482455840 has 24 divisors (see below), whose sum is σ = 60202302300. Its totient is φ = 10192982272.

The previous prime is 25482455839. The next prime is 25482455923. The reversal of 25482455840 is 4855428452.

It can be written as a sum of positive squares in 2 ways, for example, as 24682923664 + 799532176 = 157108^2 + 28276^2 .

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, 79632515 + ... + 79632834.

Almost surely, 2^25482455840 is an apocalyptic number.

25482455840 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25482455840 is an abundant number, since it is smaller than the sum of its proper divisors (34719846460).

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

25482455840 is a wasteful number, since it uses less digits than its factorization.

25482455840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 159265364 (or 159265356 counting only the distinct ones).

The product of its (nonzero) digits is 2048000, while the sum is 47.

The spelling of 25482455840 in words is "twenty-five billion, four hundred eighty-two million, four hundred fifty-five thousand, eight hundred forty".