25442130322452 has 48 divisors (see below), whose sum is σ = 59716281340800. Its totient is φ = 8430536281728.

The previous prime is 25442130322447. The next prime is 25442130322459. The reversal of 25442130322452 is 25422303124452.

It is a self number, because there is not a number n which added to its sum of digits gives 25442130322452.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25442130322459) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14422713 + ... + 16090335.

It is an arithmetic number, because the mean of its divisors is an integer number (1244089194600).

Almost surely, 2^{25442130322452} is an apocalyptic number.

It is an amenable number.

25442130322452 is an abundant number, since it is smaller than the sum of its proper divisors (34274151018348).

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

25442130322452 is a wasteful number, since it uses less digits than its factorization.

25442130322452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1675152 (or 1675150 counting only the distinct ones).

The product of its (nonzero) digits is 460800, while the sum is 39.

The spelling of 25442130322452 in words is "twenty-five trillion, four hundred forty-two billion, one hundred thirty million, three hundred twenty-two thousand, four hundred fifty-two".