25411040 has 48 divisors (see below), whose sum is σ = 60374160. Its totient is φ = 10106880.

The previous prime is 25411033. The next prime is 25411051. The reversal of 25411040 is 4011452.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 38231 + ... + 38889.

It is an arithmetic number, because the mean of its divisors is an integer number (1257795).

Almost surely, 2^25411040 is an apocalyptic number.

25411040 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 25411040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (30187080).

25411040 is an abundant number, since it is smaller than the sum of its proper divisors (34963120).

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

25411040 is a wasteful number, since it uses less digits than its factorization.

25411040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 915 (or 907 counting only the distinct ones).

The product of its (nonzero) digits is 160, while the sum is 17.

The square root of 25411040 is about 5040.9364209440. The cubic root of 25411040 is about 293.9955881918.

Adding to 25411040 its reverse (4011452), we get a palindrome (29422492).

The spelling of 25411040 in words is "twenty-five million, four hundred eleven thousand, forty".