25132220512340 has 48 divisors (see below), whose sum is σ = 52853139360000. Its totient is φ = 10038514416000.

The previous prime is 25132220512229. The next prime is 25132220512367. The reversal of 25132220512340 is 4321502223152.

It is a junction number, because it is equal to n+sod(n) for n = 25132220512297 and 25132220512306.

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 15 ways as a sum of consecutive naturals, for example, 163385786 + ... + 163539534.

It is an arithmetic number, because the mean of its divisors is an integer number (1101107070000).

Almost surely, 2^{25132220512340} is an apocalyptic number.

25132220512340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25132220512340 is an abundant number, since it is smaller than the sum of its proper divisors (27720918847660).

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

25132220512340 is a wasteful number, since it uses less digits than its factorization.

25132220512340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165392 (or 165390 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

Adding to 25132220512340 its reverse (4321502223152), we get a palindrome (29453722735492).

The spelling of 25132220512340 in words is "twenty-five trillion, one hundred thirty-two billion, two hundred twenty million, five hundred twelve thousand, three hundred forty".