25060440 has 32 divisors (see below), whose sum is σ = 75181680. Its totient is φ = 6682752.

The previous prime is 25060429. The next prime is 25060463. The reversal of 25060440 is 4406052.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 104299 + ... + 104538.

Almost surely, 2^25060440 is an apocalyptic number.

25060440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25060440 is an abundant number, since it is smaller than the sum of its proper divisors (50121240).

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

25060440 is a wasteful number, since it uses less digits than its factorization.

25060440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208851 (or 208847 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 21.

The square root of 25060440 is about 5006.0403514155. The cubic root of 25060440 is about 292.6372210268.

Adding to 25060440 its reverse (4406052), we get a palindrome (29466492).

The spelling of 25060440 in words is "twenty-five million, sixty thousand, four hundred forty".