42434310 has 64 divisors (see below), whose sum is σ = 107619840. Its totient is φ = 10686720.

The previous prime is 42434309. The next prime is 42434317. The reversal of 42434310 is 1343424.

It is a super-2 number, since 2×42434310² = 3601341330352200, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42434317) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 61065 + ... + 61755.

It is an arithmetic number, because the mean of its divisors is an integer number (1681560).

Almost surely, 2^42434310 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42434310, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (53809920).

42434310 is an abundant number, since it is smaller than the sum of its proper divisors (65185530).

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

42434310 is a wasteful number, since it uses less digits than its factorization.

42434310 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 813.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 42434310 is about 6514.1622638679. The cubic root of 42434310 is about 348.7967114113.

Adding to 42434310 its reverse (1343424), we get a palindrome (43777734).

The spelling of 42434310 in words is "forty-two million, four hundred thirty-four thousand, three hundred ten".