642241324 has 6 divisors (see below), whose sum is σ = 1123922324. Its totient is φ = 321120660.

The previous prime is 642241319. The next prime is 642241349. The reversal of 642241324 is 423142246.

642241324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 642241292 and 642241301.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 80280162 + ... + 80280169.

Almost surely, 2^642241324 is an apocalyptic number.

It is an amenable number.

642241324 is a deficient number, since it is larger than the sum of its proper divisors (481681000).

642241324 is a wasteful number, since it uses less digits than its factorization.

642241324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 160560335 (or 160560333 counting only the distinct ones).

The product of its digits is 9216, while the sum is 28.

The square root of 642241324 is about 25342.4806204918. The cubic root of 642241324 is about 862.7787010555.

The spelling of 642241324 in words is "six hundred forty-two million, two hundred forty-one thousand, three hundred twenty-four".