42312036 has 24 divisors (see below), whose sum is σ = 106322944. Its totient is φ = 13019040.

The previous prime is 42311999. The next prime is 42312037. The reversal of 42312036 is 63021324.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (42312037) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 135460 + ... + 135771.

Almost surely, 2^42312036 is an apocalyptic number.

It is an amenable number.

42312036 is an abundant number, since it is smaller than the sum of its proper divisors (64010908).

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

42312036 is a wasteful number, since it uses less digits than its factorization.

42312036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 271251 (or 271249 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 21.

The square root of 42312036 is about 6504.7702495938. The cubic root of 42312036 is about 348.4613711424.

The spelling of 42312036 in words is "forty-two million, three hundred twelve thousand, thirty-six".