42344344 has 16 divisors (see below), whose sum is σ = 90738000. Its totient is φ = 18147552.

The previous prime is 42344333. The next prime is 42344381. The reversal of 42344344 is 44344324.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 378019 + ... + 378130.

It is an arithmetic number, because the mean of its divisors is an integer number (5671125).

Almost surely, 2^42344344 is an apocalyptic number.

It is an amenable number.

42344344 is an abundant number, since it is smaller than the sum of its proper divisors (48393656).

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

42344344 is a wasteful number, since it uses less digits than its factorization.

42344344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 756162 (or 756158 counting only the distinct ones).

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

The square root of 42344344 is about 6507.2531839479. The cubic root of 42344344 is about 348.5500395752.

Adding to 42344344 its reverse (44344324), we get a palindrome (86688668).

The spelling of 42344344 in words is "forty-two million, three hundred forty-four thousand, three hundred forty-four".