25444044452 has 12 divisors (see below), whose sum is σ = 45562591536. Its totient is φ = 12426161160.

The previous prime is 25444044407. The next prime is 25444044467.

25444044452 is nontrivially palindromic in base 10.

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, 73965074 + ... + 73965417.

It is an arithmetic number, because the mean of its divisors is an integer number (3796882628).

Almost surely, 2^25444044452 is an apocalyptic number.

It is an amenable number.

25444044452 is a deficient number, since it is larger than the sum of its proper divisors (20118547084).

25444044452 is a wasteful number, since it uses less digits than its factorization.

25444044452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147930538 (or 147930536 counting only the distinct ones).

The product of its (nonzero) digits is 409600, while the sum is 38.

It can be divided in two parts, 254440 and 44452, that added together give a palindrome (298892).

The spelling of 25444044452 in words is "twenty-five billion, four hundred forty-four million, forty-four thousand, four hundred fifty-two".