25412243320 has 32 divisors (see below), whose sum is σ = 57982871520. Its totient is φ = 10021728640.

The previous prime is 25412243309. The next prime is 25412243341. The reversal of 25412243320 is 2334221452.

It is a super-2 number, since 2×25412243320² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

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, 4471147 + ... + 4476826.

It is an arithmetic number, because the mean of its divisors is an integer number (1811964735).

Almost surely, 2^25412243320 is an apocalyptic number.

25412243320 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25412243320 is an abundant number, since it is smaller than the sum of its proper divisors (32570628200).

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

25412243320 is a wasteful number, since it uses less digits than its factorization.

25412243320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8948055 (or 8948051 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

Adding to 25412243320 its reverse (2334221452), we get a palindrome (27746464772).

The spelling of 25412243320 in words is "twenty-five billion, four hundred twelve million, two hundred forty-three thousand, three hundred twenty".