25514040 has 64 divisors (see below), whose sum is σ = 77047200. Its totient is φ = 6758912.

The previous prime is 25514039. The next prime is 25514051. The reversal of 25514040 is 4041552.

It is a junction number, because it is equal to n+sod(n) for n = 25513998 and 25514016.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20146 + ... + 21374.

Almost surely, 2^25514040 is an apocalyptic number.

25514040 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 25514040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (38523600).

25514040 is an abundant number, since it is smaller than the sum of its proper divisors (51533160).

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

25514040 is a wasteful number, since it uses less digits than its factorization.

25514040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1416 (or 1412 counting only the distinct ones).

The product of its (nonzero) digits is 800, while the sum is 21.

The square root of 25514040 is about 5051.1424450316. The cubic root of 25514040 is about 294.3922756618.

Adding to 25514040 its reverse (4041552), we get a palindrome (29555592).

The spelling of 25514040 in words is "twenty-five million, five hundred fourteen thousand, forty".