25210131613340 has 24 divisors (see below), whose sum is σ = 52954889633520. Its totient is φ = 10081459646208.

The previous prime is 25210131613273. The next prime is 25210131613391. The reversal of 25210131613340 is 4331613101252.

It is a junction number, because it is equal to n+sod(n) for n = 25210131613297 and 25210131613306.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161982722 + ... + 162138281.

It is an arithmetic number, because the mean of its divisors is an integer number (2206453734730).

Almost surely, 2^{25210131613340} is an apocalyptic number.

25210131613340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25210131613340 is an abundant number, since it is smaller than the sum of its proper divisors (27744758020180).

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

25210131613340 is a wasteful number, since it uses less digits than its factorization.

25210131613340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324124901 (or 324124899 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

Adding to 25210131613340 its reverse (4331613101252), we get a palindrome (29541744714592).

The spelling of 25210131613340 in words is "twenty-five trillion, two hundred ten billion, one hundred thirty-one million, six hundred thirteen thousand, three hundred forty".