25716431142 has 12 divisors (see below), whose sum is σ = 55718934180. Its totient is φ = 8572143708.

The previous prime is 25716431119. The next prime is 25716431173. The reversal of 25716431142 is 24113461752.

25716431142 is a `hidden beast` number, since 2 + 5 + 7 + 1 + 643 + 1 + 1 + 4 + 2 = 666.

It is a super-2 number, since 2×25716431142² (a number of 22 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 25716431097 and 25716431106.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 714345292 + ... + 714345327.

It is an arithmetic number, because the mean of its divisors is an integer number (4643244515).

Almost surely, 2^25716431142 is an apocalyptic number.

25716431142 is an abundant number, since it is smaller than the sum of its proper divisors (30002503038).

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

25716431142 is a wasteful number, since it uses less digits than its factorization.

25716431142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1428690627 (or 1428690624 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

Adding to 25716431142 its reverse (24113461752), we get a palindrome (49829892894).

The spelling of 25716431142 in words is "twenty-five billion, seven hundred sixteen million, four hundred thirty-one thousand, one hundred forty-two".