42446336 has 20 divisors (see below), whose sum is σ = 84810792. Its totient is φ = 21222912.

The previous prime is 42446333. The next prime is 42446351. The reversal of 42446336 is 63364424.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42446333) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 40940 + ... + 41963.

Almost surely, 2^42446336 is an apocalyptic number.

It is an amenable number.

42446336 is a deficient number, since it is larger than the sum of its proper divisors (42364456).

42446336 is an frugal number, since it uses more digits than its factorization.

42446336 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 82921 (or 82905 counting only the distinct ones).

The product of its digits is 41472, while the sum is 32.

The square root of 42446336 is about 6515.0852642157. The cubic root of 42446336 is about 348.8296582811.

The spelling of 42446336 in words is "forty-two million, four hundred forty-six thousand, three hundred thirty-six".