42336816 has 20 divisors (see below), whose sum is σ = 109370232. Its totient is φ = 14112256.

The previous prime is 42336809. The next prime is 42336823. The reversal of 42336816 is 61863324.

It is an interprime number because it is at equal distance from previous prime (42336809) and next prime (42336823).

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

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 440961 + ... + 441056.

Almost surely, 2^42336816 is an apocalyptic number.

It is an amenable number.

42336816 is an abundant number, since it is smaller than the sum of its proper divisors (67033416).

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

42336816 is a wasteful number, since it uses less digits than its factorization.

42336816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 882028 (or 882022 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 42336816 is about 6506.6747267710. The cubic root of 42336816 is about 348.5293832139.

The spelling of 42336816 in words is "forty-two million, three hundred thirty-six thousand, eight hundred sixteen".