25440106 has 16 divisors (see below), whose sum is σ = 39261024. Its totient is φ = 12357904.

The previous prime is 25440091. The next prime is 25440167. The reversal of 25440106 is 60104452.

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, 10221 + ... + 12463.

It is an arithmetic number, because the mean of its divisors is an integer number (2453814).

Almost surely, 2^25440106 is an apocalyptic number.

25440106 is a deficient number, since it is larger than the sum of its proper divisors (13820918).

25440106 is a wasteful number, since it uses less digits than its factorization.

25440106 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2405.

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 25440106 is about 5043.8185930900. The cubic root of 25440106 is about 294.1076394854.

Adding to 25440106 its reverse (60104452), we get a palindrome (85544558).

The spelling of 25440106 in words is "twenty-five million, four hundred forty thousand, one hundred six".