25025232240 has 60 divisors (see below), whose sum is σ = 84043074024. Its totient is φ = 6673395072.

The previous prime is 25025232233. The next prime is 25025232241. The reversal of 25025232240 is 4223252052.

25025232240 is a `hidden beast` number, since 2 + 50 + 252 + 322 + 40 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25025232241) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 17377914 + ... + 17379353.

Almost surely, 2^25025232240 is an apocalyptic number.

25025232240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25025232240 is an abundant number, since it is smaller than the sum of its proper divisors (59017841784).

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

25025232240 is a wasteful number, since it uses less digits than its factorization.

25025232240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34757286 (or 34757277 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 27.

Adding to 25025232240 its reverse (4223252052), we get a palindrome (29248484292).

The spelling of 25025232240 in words is "twenty-five billion, twenty-five million, two hundred thirty-two thousand, two hundred forty".