25412043240 has 96 divisors (see below), whose sum is σ = 86935960800. Its totient is φ = 6419882880.

The previous prime is 25412043197. The next prime is 25412043247. The reversal of 25412043240 is 4234021452.

25412043240 is a `hidden beast` number, since 2 + 5 + 412 + 0 + 4 + 3 + 240 = 666.

It is not an unprimeable number, because it can be changed into a prime (25412043247) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1850766 + ... + 1864445.

It is an arithmetic number, because the mean of its divisors is an integer number (905582925).

Almost surely, 2^25412043240 is an apocalyptic number.

25412043240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

25412043240 is an abundant number, since it is smaller than the sum of its proper divisors (61523917560).

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

25412043240 is a wasteful number, since it uses less digits than its factorization.

25412043240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3715247 (or 3715240 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

Adding to 25412043240 its reverse (4234021452), we get a palindrome (29646064692).

The spelling of 25412043240 in words is "twenty-five billion, four hundred twelve million, forty-three thousand, two hundred forty".