42432284 has 12 divisors (see below), whose sum is σ = 74420808. Its totient is φ = 21169200.

The previous prime is 42432281. The next prime is 42432293. The reversal of 42432284 is 48223424.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42432281) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 9662 + ... + 13349.

It is an arithmetic number, because the mean of its divisors is an integer number (6201734).

Almost surely, 2^42432284 is an apocalyptic number.

It is an amenable number.

42432284 is a deficient number, since it is larger than the sum of its proper divisors (31988524).

42432284 is a wasteful number, since it uses less digits than its factorization.

42432284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 23476 (or 23474 counting only the distinct ones).

The product of its digits is 12288, while the sum is 29.

The square root of 42432284 is about 6514.0067546787. The cubic root of 42432284 is about 348.7911602949.

The spelling of 42432284 in words is "forty-two million, four hundred thirty-two thousand, two hundred eighty-four".