25328860560 has 60 divisors (see below), whose sum is σ = 85062759132. Its totient is φ = 6754362624.

The previous prime is 25328860559. The next prime is 25328860573. The reversal of 25328860560 is 6506882352.

25328860560 is a `hidden beast` number, since 2 + 5 + 3 + 2 + 8 + 86 + 0 + 560 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 4398872976 + 20929987584 = 66324^2 + 144672^2 .

It is a tau number, because it is divible by the number of its divisors (60).

It is a super-3 number, since 3×25328860560³ (a number of 32 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17588767 + ... + 17590206.

Almost surely, 2^25328860560 is an apocalyptic number.

25328860560 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25328860560 is an abundant number, since it is smaller than the sum of its proper divisors (59733898572).

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

25328860560 is a wasteful number, since it uses less digits than its factorization.

25328860560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 35178992 (or 35178983 counting only the distinct ones).

The product of its (nonzero) digits is 691200, while the sum is 45.

The spelling of 25328860560 in words is "twenty-five billion, three hundred twenty-eight million, eight hundred sixty thousand, five hundred sixty".