42434344 has 32 divisors (see below), whose sum is σ = 83076840. Its totient is φ = 20300800.

The previous prime is 42434341. The next prime is 42434347. The reversal of 42434344 is 44343424.

It is an interprime number because it is at equal distance from previous prime (42434341) and next prime (42434347).

It can be written as a sum of positive squares in 4 ways, for example, as 20811844 + 21622500 = 4562^2 + 4650^2 .

It is not an unprimeable number, because it can be changed into a prime (42434341) 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, 16164 + ... + 18604.

Almost surely, 2^42434344 is an apocalyptic number.

It is an amenable number.

42434344 is a deficient number, since it is larger than the sum of its proper divisors (40642496).

42434344 is a wasteful number, since it uses less digits than its factorization.

42434344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2541 (or 2537 counting only the distinct ones).

The product of its digits is 18432, while the sum is 28.

The square root of 42434344 is about 6514.1648735659. The cubic root of 42434344 is about 348.7968045677.

Adding to 42434344 its reverse (44343424), we get a palindrome (86777768).

It can be divided in two parts, 42434 and 344, that added together give a triangular number (42778 = T₂₉₂).

The spelling of 42434344 in words is "forty-two million, four hundred thirty-four thousand, three hundred forty-four".