42304332 has 24 divisors (see below), whose sum is σ = 112811776. Its totient is φ = 12086928.

The previous prime is 42304321. The next prime is 42304349. The reversal of 42304332 is 23340324.

It is a Harshad number since it is a multiple of its sum of digits (21).

It is a junction number, because it is equal to n+sod(n) for n = 42304299 and 42304308.

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, 251728 + ... + 251895.

Almost surely, 2^42304332 is an apocalyptic number.

42304332 is a gapful number since it is divisible by the number (42) formed by its first and last digit.

It is an amenable number.

42304332 is an abundant number, since it is smaller than the sum of its proper divisors (70507444).

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

42304332 is a wasteful number, since it uses less digits than its factorization.

42304332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 503637 (or 503635 counting only the distinct ones).

The product of its (nonzero) digits is 1728, while the sum is 21.

The square root of 42304332 is about 6504.1780418436. The cubic root of 42304332 is about 348.4402210583.

Adding to 42304332 its reverse (23340324), we get a palindrome (65644656).

The spelling of 42304332 in words is "forty-two million, three hundred four thousand, three hundred thirty-two".