1642343824 has 40 divisors (see below), whose sum is σ = 3530175840. Its totient is φ = 733862400.

The previous prime is 1642343821. The next prime is 1642343891. The reversal of 1642343824 is 4283432461.

It is not an unprimeable number, because it can be changed into a prime (1642343821) by changing a digit.

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 7 ways as a sum of consecutive naturals, for example, 68697 + ... + 89464.

It is an arithmetic number, because the mean of its divisors is an integer number (88254396).

Almost surely, 2^1642343824 is an apocalyptic number.

It is an amenable number.

1642343824 is an abundant number, since it is smaller than the sum of its proper divisors (1887832016).

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

1642343824 is a wasteful number, since it uses less digits than its factorization.

1642343824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158239 (or 158233 counting only the distinct ones).

The product of its digits is 110592, while the sum is 37.

The square root of 1642343824 is about 40525.8414348179. The cubic root of 1642343824 is about 1179.8352312309.

The spelling of 1642343824 in words is "one billion, six hundred forty-two million, three hundred forty-three thousand, eight hundred twenty-four".