42434812 has 24 divisors (see below), whose sum is σ = 85214304. Its totient is φ = 18112512.

The previous prime is 42434803. The next prime is 42434831. The reversal of 42434812 is 21843424.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4248 + ... + 10144.

It is an arithmetic number, because the mean of its divisors is an integer number (3550596).

Almost surely, 2^42434812 is an apocalyptic number.

It is an amenable number.

42434812 is an abundant number, since it is smaller than the sum of its proper divisors (42779492).

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

42434812 is a wasteful number, since it uses less digits than its factorization.

42434812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6165 (or 6163 counting only the distinct ones).

The product of its digits is 6144, while the sum is 28.

The square root of 42434812 is about 6514.2007951859. The cubic root of 42434812 is about 348.7980868333.

The spelling of 42434812 in words is "forty-two million, four hundred thirty-four thousand, eight hundred twelve".