25068440 has 16 divisors (see below), whose sum is σ = 56404080. Its totient is φ = 10027360.

The previous prime is 25068431. The next prime is 25068443. The reversal of 25068440 is 4486052.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25068443) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 313316 + ... + 313395.

It is an arithmetic number, because the mean of its divisors is an integer number (3525255).

Almost surely, 2^25068440 is an apocalyptic number.

25068440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25068440 is an abundant number, since it is smaller than the sum of its proper divisors (31335640).

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

25068440 is a wasteful number, since it uses less digits than its factorization.

25068440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 626722 (or 626718 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 29.

The square root of 25068440 is about 5006.8393223670. The cubic root of 25068440 is about 292.6683570683.

The spelling of 25068440 in words is "twenty-five million, sixty-eight thousand, four hundred forty".