2025040044 has 24 divisors (see below), whose sum is σ = 4852799728. Its totient is φ = 656769600.

The previous prime is 2025040033. The next prime is 2025040091. The reversal of 2025040044 is 4400405202.

It is a self number, because there is not a number n which added to its sum of digits gives 2025040044.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2280007 + ... + 2280894.

Almost surely, 2^2025040044 is an apocalyptic number.

It is an amenable number.

2025040044 is an abundant number, since it is smaller than the sum of its proper divisors (2827759684).

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

2025040044 is a wasteful number, since it uses less digits than its factorization.

2025040044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4560945 (or 4560943 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 21.

The square root of 2025040044 is about 45000.4449311337. Note that the first 3 decimals coincide. The cubic root of 2025040044 is about 1265.1573372600.

Adding to 2025040044 its reverse (4400405202), we get a palindrome (6425445246).

The spelling of 2025040044 in words is "two billion, twenty-five million, forty thousand, forty-four".