42312336 has 80 divisors (see below), whose sum is σ = 120373248. Its totient is φ = 12700800.

The previous prime is 42312323. The next prime is 42312353. The reversal of 42312336 is 63321324.

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 an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 66741 + ... + 67371.

Almost surely, 2^42312336 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 42312336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60186624).

42312336 is an abundant number, since it is smaller than the sum of its proper divisors (78060912).

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

42312336 is a wasteful number, since it uses less digits than its factorization.

42312336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 780 (or 774 counting only the distinct ones).

The product of its digits is 2592, while the sum is 24.

The square root of 42312336 is about 6504.7933095526. The cubic root of 42312336 is about 348.4621946918.

The spelling of 42312336 in words is "forty-two million, three hundred twelve thousand, three hundred thirty-six".