642482330 has 16 divisors (see below), whose sum is σ = 1321678080. Its totient is φ = 220279632.

The previous prime is 642482293. The next prime is 642482353. The reversal of 642482330 is 33284246.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4589090 + ... + 4589229.

It is an arithmetic number, because the mean of its divisors is an integer number (82604880).

Almost surely, 2^642482330 is an apocalyptic number.

642482330 is an abundant number, since it is smaller than the sum of its proper divisors (679195750).

642482330 is a wasteful number, since it uses less digits than its factorization.

642482330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9178333.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 642482330 is about 25347.2351549434. The cubic root of 642482330 is about 862.8866090082.

The spelling of 642482330 in words is "six hundred forty-two million, four hundred eighty-two thousand, three hundred thirty".