42430302 has 24 divisors (see below), whose sum is σ = 92846520. Its totient is φ = 14002800.

The previous prime is 42430279. The next prime is 42430303. The reversal of 42430302 is 20303424.

It is a super-2 number, since 2×42430302² = 3600661055622408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42430303) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9852 + ... + 13487.

It is an arithmetic number, because the mean of its divisors is an integer number (3868605).

Almost surely, 2^42430302 is an apocalyptic number.

42430302 is an abundant number, since it is smaller than the sum of its proper divisors (50416218).

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

42430302 is a wasteful number, since it uses less digits than its factorization.

42430302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23448 (or 23445 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 18.

The square root of 42430302 is about 6513.8546191944. The cubic root of 42430302 is about 348.7857295648.

Adding to 42430302 its reverse (20303424), we get a palindrome (62733726).

The spelling of 42430302 in words is "forty-two million, four hundred thirty thousand, three hundred two".