25204455440252 has 12 divisors (see below), whose sum is σ = 48117596749656. Its totient is φ = 11456570654640.

The previous prime is 25204455440233. The next prime is 25204455440287.

25204455440252 is nontrivially palindromic in base 10.

It is a Harshad number since it is a multiple of its sum of digits (44), and also a Moran number because the ratio is a prime number: 572828532733 = 25204455440252 / (2 + 5 + 2 + 0 + 4 + 4 + 5 + 5 + 4 + 4 + 0 + 2 + 5 + 2).

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, 286414266323 + ... + 286414266410.

It is an arithmetic number, because the mean of its divisors is an integer number (4009799729138).

Almost surely, 2^{25204455440252} is an apocalyptic number.

25204455440252 is a gapful number since it is divisible by the number (22) formed by its first and last digit.

It is an amenable number.

25204455440252 is a deficient number, since it is larger than the sum of its proper divisors (22913141309404).

25204455440252 is a wasteful number, since it uses less digits than its factorization.

25204455440252 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 572828532748 (or 572828532746 counting only the distinct ones).

The product of its (nonzero) digits is 2560000, while the sum is 44.

It can be divided in two parts, 2520445 and 5440252, that added together give a palindrome (7960697).

The spelling of 25204455440252 in words is "twenty-five trillion, two hundred four billion, four hundred fifty-five million, four hundred forty thousand, two hundred fifty-two".