826004142 has 24 divisors (see below), whose sum is σ = 1855961016. Its totient is φ = 275334552.

The previous prime is 826004141. The next prime is 826004167. The reversal of 826004142 is 241400628.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (826004141) 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 11 ways as a sum of consecutive naturals, for example, 849313 + ... + 850284.

It is an arithmetic number, because the mean of its divisors is an integer number (77331709).

Almost surely, 2^826004142 is an apocalyptic number.

826004142 is an abundant number, since it is smaller than the sum of its proper divisors (1029956874).

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

826004142 is a wasteful number, since it uses less digits than its factorization.

826004142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1699614 (or 1699602 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 27.

The square root of 826004142 is about 28740.2877856155. The cubic root of 826004142 is about 938.2690879381.

The spelling of 826004142 in words is "eight hundred twenty-six million, four thousand, one hundred forty-two".