25714115731240 has 32 divisors (see below), whose sum is σ = 58805231882760. Its totient is φ = 10117029139200.

The previous prime is 25714115731219. The next prime is 25714115731259. The reversal of 25714115731240 is 4213751141752.

It can be written as a sum of positive squares in 4 ways, for example, as 15039768196996 + 10674347534244 = 3878114^2 + 3267162^2 .

It is a super-2 number, since 2×25714115731240² (a number of 28 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5269283571 + ... + 5269288450.

Almost surely, 2^{25714115731240} is an apocalyptic number.

25714115731240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25714115731240 is an abundant number, since it is smaller than the sum of its proper divisors (33091116151520).

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

25714115731240 is a wasteful number, since it uses less digits than its factorization.

25714115731240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10538572093 (or 10538572089 counting only the distinct ones).

The product of its (nonzero) digits is 235200, while the sum is 43.

Adding to 25714115731240 its reverse (4213751141752), we get a palindrome (29927866872992).

The spelling of 25714115731240 in words is "twenty-five trillion, seven hundred fourteen billion, one hundred fifteen million, seven hundred thirty-one thousand, two hundred forty".