825844016142 has 24 divisors (see below), whose sum is σ = 1830940998744. Its totient is φ = 268879446864.

The previous prime is 825844016119. The next prime is 825844016159. The reversal of 825844016142 is 241610448528.

825844016142 is a `hidden beast` number, since 8 + 2 + 5 + 8 + 440 + 161 + 42 = 666.

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 11 ways as a sum of consecutive naturals, for example, 533490193 + ... + 533491740.

It is an arithmetic number, because the mean of its divisors is an integer number (76289208281).

Almost surely, 2^825844016142 is an apocalyptic number.

825844016142 is an abundant number, since it is smaller than the sum of its proper divisors (1005096982602).

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

825844016142 is a wasteful number, since it uses less digits than its factorization.

825844016142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1066981984 (or 1066981981 counting only the distinct ones).

The product of its (nonzero) digits is 491520, while the sum is 45.

The spelling of 825844016142 in words is "eight hundred twenty-five billion, eight hundred forty-four million, sixteen thousand, one hundred forty-two".