25424444442452 has 12 divisors (see below), whose sum is σ = 48537575753856. Its totient is φ = 11556565655640.

The previous prime is 25424444442427. The next prime is 25424444442559.

25424444442452 is nontrivially palindromic in base 10.

It is a self number, because there is not a number n which added to its sum of digits gives 25424444442452.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 288914141348 + ... + 288914141435.

It is an arithmetic number, because the mean of its divisors is an integer number (4044797979488).

Almost surely, 2^{25424444442452} is an apocalyptic number.

25424444442452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25424444442452 is a deficient number, since it is larger than the sum of its proper divisors (23113131311404).

25424444442452 is a wasteful number, since it uses less digits than its factorization.

25424444442452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 577828282798 (or 577828282796 counting only the distinct ones).

The product of its digits is 26214400, while the sum is 50.

It can be divided in two parts, 2542444 and 4442452, that added together give a palindrome (6984896).

The spelling of 25424444442452 in words is "twenty-five trillion, four hundred twenty-four billion, four hundred forty-four million, four hundred forty-two thousand, four hundred fifty-two".