65430442 has 32 divisors (see below), whose sum is σ = 122757120. Its totient is φ = 25410480.

The previous prime is 65430437. The next prime is 65430457. The reversal of 65430442 is 24403456.

It is a super-2 number, since 2×65430442² = 8562285480630728, 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 65430442.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73323 + ... + 74209.

It is an arithmetic number, because the mean of its divisors is an integer number (3836160).

Almost surely, 2^65430442 is an apocalyptic number.

65430442 is a deficient number, since it is larger than the sum of its proper divisors (57326678).

65430442 is a wasteful number, since it uses less digits than its factorization.

65430442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1386.

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 65430442 is about 8088.9085790359. The cubic root of 65430442 is about 402.9581568413.

Adding to 65430442 its reverse (24403456), we get a palindrome (89833898).

The spelling of 65430442 in words is "sixty-five million, four hundred thirty thousand, four hundred forty-two".