25414040 has 16 divisors (see below), whose sum is σ = 57181680. Its totient is φ = 10165600.

The previous prime is 25414027. The next prime is 25414043. The reversal of 25414040 is 4041452.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (25414043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 317636 + ... + 317715.

It is an arithmetic number, because the mean of its divisors is an integer number (3573855).

Almost surely, 2^25414040 is an apocalyptic number.

25414040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25414040 is an abundant number, since it is smaller than the sum of its proper divisors (31767640).

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

25414040 is a wasteful number, since it uses less digits than its factorization.

25414040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 635362 (or 635358 counting only the distinct ones).

The product of its (nonzero) digits is 640, while the sum is 20.

The square root of 25414040 is about 5041.2339759230. The cubic root of 25414040 is about 294.0071573373.

Adding to 25414040 its reverse (4041452), we get a palindrome (29455492).

The spelling of 25414040 in words is "twenty-five million, four hundred fourteen thousand, forty".