42516344 has 64 divisors (see below), whose sum is σ = 89964000. Its totient is φ = 18819840.

The previous prime is 42516323. The next prime is 42516359. The reversal of 42516344 is 44361524.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 720587 + ... + 720645.

Almost surely, 2^42516344 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42516344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44982000).

42516344 is an abundant number, since it is smaller than the sum of its proper divisors (47447656).

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

42516344 is a wasteful number, since it uses less digits than its factorization.

42516344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145 (or 115 counting only the distinct ones).

The product of its digits is 11520, while the sum is 29.

The square root of 42516344 is about 6520.4558122880. The cubic root of 42516344 is about 349.0213313070.

Adding to 42516344 its reverse (44361524), we get a palindrome (86877868).

The spelling of 42516344 in words is "forty-two million, five hundred sixteen thousand, three hundred forty-four".