42344456 has 64 divisors (see below), whose sum is σ = 100932480. Its totient is φ = 16174080.

The previous prime is 42344447. The next prime is 42344461. The reversal of 42344456 is 65444324.

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, 32000 + ... + 33296.

It is an arithmetic number, because the mean of its divisors is an integer number (1577070).

Almost surely, 2^42344456 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 42344456, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (50466240).

42344456 is an abundant number, since it is smaller than the sum of its proper divisors (58588024).

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

42344456 is a wasteful number, since it uses less digits than its factorization.

42344456 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1374 (or 1370 counting only the distinct ones).

The product of its digits is 46080, while the sum is 32.

The square root of 42344456 is about 6507.2617897238. The cubic root of 42344456 is about 348.5503468777.

The spelling of 42344456 in words is "forty-two million, three hundred forty-four thousand, four hundred fifty-six".