42331344 has 40 divisors (see below), whose sum is σ = 119298912. Its totient is φ = 12827520.

The previous prime is 42331321. The next prime is 42331361. The reversal of 42331344 is 44313324.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a nude number because it is divisible by every one of its digits.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 39559 + ... + 40614.

Almost surely, 2^42331344 is an apocalyptic number.

42331344 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

42331344 is an abundant number, since it is smaller than the sum of its proper divisors (76967568).

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

42331344 is a wasteful number, since it uses less digits than its factorization.

42331344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 80195 (or 80189 counting only the distinct ones).

The product of its digits is 3456, while the sum is 24.

The square root of 42331344 is about 6506.2542219006. The cubic root of 42331344 is about 348.5143668512.

Adding to 42331344 its reverse (44313324), we get a palindrome (86644668).

The spelling of 42331344 in words is "forty-two million, three hundred thirty-one thousand, three hundred forty-four".