25225240575240 has 96 divisors (see below), whose sum is σ = 82707536709720. Its totient is φ = 6667202217984.

The previous prime is 25225240575229. The next prime is 25225240575251. The reversal of 25225240575240 is 4257504252252.

25225240575240 is a `hidden beast` number, since 2 + 5 + 2 + 2 + 52 + 4 + 0 + 575 + 24 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (25225240575229) and next prime (25225240575251).

It can be written as a sum of positive squares in 4 ways, for example, as 6015550886244 + 19209689688996 = 2452662^2 + 4382886^2 .

It is a super-2 number, since 2×25225240575240² (a number of 28 digits) contains 22 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 23 ways as a sum of consecutive naturals, for example, 310004067 + ... + 310085426.

Almost surely, 2^{25225240575240} is an apocalyptic number.

25225240575240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25225240575240 is an abundant number, since it is smaller than the sum of its proper divisors (57482296134480).

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

25225240575240 is a wasteful number, since it uses less digits than its factorization.

25225240575240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 620089623 (or 620089616 counting only the distinct ones).

The product of its (nonzero) digits is 2240000, while the sum is 45.

The spelling of 25225240575240 in words is "twenty-five trillion, two hundred twenty-five billion, two hundred forty million, five hundred seventy-five thousand, two hundred forty".