25444244244452 has 96 divisors (see below), whose sum is σ = 52147946188800. Its totient is φ = 10739549808000.

The previous prime is 25444244244439. The next prime is 25444244244473.

25444244244452 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 25444244244452.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 44868077 + ... + 45431627.

It is an arithmetic number, because the mean of its divisors is an integer number (543207772800).

Almost surely, 2^{25444244244452} is an apocalyptic number.

25444244244452 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25444244244452 is an abundant number, since it is smaller than the sum of its proper divisors (26703701944348).

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

25444244244452 is a wasteful number, since it uses less digits than its factorization.

25444244244452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 564657 (or 564655 counting only the distinct ones).

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

It can be divided in two parts, 2544424 and 4244452, that added together give a palindrome (6788876).

The spelling of 25444244244452 in words is "twenty-five trillion, four hundred forty-four billion, two hundred forty-four million, two hundred forty-four thousand, four hundred fifty-two".