2025444144 has 20 divisors (see below), whose sum is σ = 5232397496. Its totient is φ = 675148032.

The previous prime is 2025444139. The next prime is 2025444149. The reversal of 2025444144 is 4414445202.

It is an interprime number because it is at equal distance from previous prime (2025444139) and next prime (2025444149).

It is not an unprimeable number, because it can be changed into a prime (2025444149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21098329 + ... + 21098424.

Almost surely, 2^2025444144 is an apocalyptic number.

2025444144 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

2025444144 is an abundant number, since it is smaller than the sum of its proper divisors (3206953352).

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

2025444144 is a wasteful number, since it uses less digits than its factorization.

2025444144 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42196764 (or 42196758 counting only the distinct ones).

The product of its (nonzero) digits is 20480, while the sum is 30.

The square root of 2025444144 is about 45004.9346627678. The cubic root of 2025444144 is about 1265.2414863905.

Adding to 2025444144 its reverse (4414445202), we get a palindrome (6439889346).

The spelling of 2025444144 in words is "two billion, twenty-five million, four hundred forty-four thousand, one hundred forty-four".