25000044 has 24 divisors (see below), whose sum is σ = 58462320. Its totient is φ = 8314944.

The previous prime is 25000033. The next prime is 25000069. The reversal of 25000044 is 44000052.

It is a junction number, because it is equal to n+sod(n) for n = 24999987 and 25000032.

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, 4062 + ... + 8154.

It is an arithmetic number, because the mean of its divisors is an integer number (2435930).

Almost surely, 2^25000044 is an apocalyptic number.

It is an amenable number.

25000044 is an abundant number, since it is smaller than the sum of its proper divisors (33462276).

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

25000044 is a wasteful number, since it uses less digits than its factorization.

25000044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4609 (or 4607 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 15.

The square root of 25000044 is about 5000.0043999981. The cubic root of 25000044 is about 292.4019453636.

Adding to 25000044 its reverse (44000052), we get a palindrome (69000096).

The spelling of 25000044 in words is "twenty-five million, forty-four", and thus it is an aban number.