25468140 has 48 divisors (see below), whose sum is σ = 71995392. Its totient is φ = 6726336.

The previous prime is 25468139. The next prime is 25468141. The reversal of 25468140 is 4186452.

It is an interprime number because it is at equal distance from previous prime (25468139) and next prime (25468141).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 25468098 and 25468107.

It is not an unprimeable number, because it can be changed into a prime (25468141) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4437 + ... + 8403.

It is an arithmetic number, because the mean of its divisors is an integer number (1499904).

Almost surely, 2^25468140 is an apocalyptic number.

25468140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 25468140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (35997696).

25468140 is an abundant number, since it is smaller than the sum of its proper divisors (46527252).

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

25468140 is a wasteful number, since it uses less digits than its factorization.

25468140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4086 (or 4084 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 30.

The square root of 25468140 is about 5046.5968731413. The cubic root of 25468140 is about 294.2156315257.

The spelling of 25468140 in words is "twenty-five million, four hundred sixty-eight thousand, one hundred forty".