25762140 has 72 divisors (see below), whose sum is σ = 82751760. Its totient is φ = 6465024.

The previous prime is 25762129. The next prime is 25762153. The reversal of 25762140 is 4126752.

It is a congruent number.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 1150 + ... + 7269.

It is an arithmetic number, because the mean of its divisors is an integer number (1149330).

Almost surely, 2^25762140 is an apocalyptic number.

25762140 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 25762140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41375880).

25762140 is an abundant number, since it is smaller than the sum of its proper divisors (56989620).

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

25762140 is a wasteful number, since it uses less digits than its factorization.

25762140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8451 (or 8446 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 27.

The square root of 25762140 is about 5075.6418313352. The cubic root of 25762140 is about 295.3434284396.

Adding to 25762140 its reverse (4126752), we get a palindrome (29888892).

The spelling of 25762140 in words is "twenty-five million, seven hundred sixty-two thousand, one hundred forty".