25240455424144 has 15 divisors (see below), whose sum is σ = 48903421320217. Its totient is φ = 12620217664096.

The previous prime is 25240455424111. The next prime is 25240455424169. The reversal of 25240455424144 is 44142455404252.

The square root of 25240455424144 is 5023988.

It is a perfect power (a square), and thus also a powerful number.

It can be written as a sum of positive squares in only one way, i.e., 22675691610000 + 2564763814144 = 4761900^2 + 1601488^2 .

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 25240455424094 and 25240455424103.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 2 ways as a sum of consecutive naturals, for example, 19467954 + ... + 20723950.

Almost surely, 2^{25240455424144} is an apocalyptic number.

25240455424144 is the 5023988-th square number.

It is an amenable number.

25240455424144 is a deficient number, since it is larger than the sum of its proper divisors (23662965896073).

25240455424144 is an frugal number, since it uses more digits than its factorization.

25240455424144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2512002 (or 1255999 counting only the distinct ones).

The product of its (nonzero) digits is 4096000, while the sum is 46.

The spelling of 25240455424144 in words is "twenty-five trillion, two hundred forty billion, four hundred fifty-five million, four hundred twenty-four thousand, one hundred forty-four".