842128324 has 24 divisors (see below), whose sum is σ = 1493462880. Its totient is φ = 415445184.

The previous prime is 842128321. The next prime is 842128333. The reversal of 842128324 is 423821248.

842128324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×842128324² = 1418360228166097952, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 842128324.

It is not an unprimeable number, because it can be changed into a prime (842128321) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 183927 + ... + 188449.

It is an arithmetic number, because the mean of its divisors is an integer number (62227620).

Almost surely, 2^842128324 is an apocalyptic number.

It is an amenable number.

842128324 is a deficient number, since it is larger than the sum of its proper divisors (651334556).

842128324 is a wasteful number, since it uses less digits than its factorization.

842128324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5139 (or 5137 counting only the distinct ones).

The product of its digits is 24576, while the sum is 34.

The square root of 842128324 is about 29019.4473413950. The cubic root of 842128324 is about 944.3350113861.

The spelling of 842128324 in words is "eight hundred forty-two million, one hundred twenty-eight thousand, three hundred twenty-four".