1642518282 has 16 divisors (see below), whose sum is σ = 3373821792. Its totient is φ = 532708560.

The previous prime is 1642518281. The next prime is 1642518299. The reversal of 1642518282 is 2828152461.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 1642518282.

It is not an unprimeable number, because it can be changed into a prime (1642518281) 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, 3699144 + ... + 3699587.

It is an arithmetic number, because the mean of its divisors is an integer number (210863862).

Almost surely, 2^1642518282 is an apocalyptic number.

1642518282 is an abundant number, since it is smaller than the sum of its proper divisors (1731303510).

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

1642518282 is a wasteful number, since it uses less digits than its factorization.

1642518282 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7398773.

The product of its digits is 61440, while the sum is 39.

The square root of 1642518282 is about 40527.9938067504. The cubic root of 1642518282 is about 1179.8770057575.

The spelling of 1642518282 in words is "one billion, six hundred forty-two million, five hundred eighteen thousand, two hundred eighty-two".