19525286142 has 16 divisors (see below), whose sum is σ = 43389524880. Its totient is φ = 6508428696.

The previous prime is 19525286119. The next prime is 19525286147. The reversal of 19525286142 is 24168252591.

19525286142 is a `hidden beast` number, since 1 + 9 + 5 + 2 + 5 + 28 + 614 + 2 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (19525286147) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 180789633 + ... + 180789740.

It is an arithmetic number, because the mean of its divisors is an integer number (2711845305).

Almost surely, 2^19525286142 is an apocalyptic number.

19525286142 is an abundant number, since it is smaller than the sum of its proper divisors (23864238738).

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

19525286142 is a wasteful number, since it uses less digits than its factorization.

19525286142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 361579384 (or 361579378 counting only the distinct ones).

The product of its digits is 345600, while the sum is 45.

The spelling of 19525286142 in words is "nineteen billion, five hundred twenty-five million, two hundred eighty-six thousand, one hundred forty-two".