42324140 has 24 divisors (see below), whose sum is σ = 92746080. Its totient is φ = 16193408.

The previous prime is 42324133. The next prime is 42324187. The reversal of 42324140 is 4142324.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 45545 + ... + 46464.

It is an arithmetic number, because the mean of its divisors is an integer number (3864420).

Almost surely, 2^42324140 is an apocalyptic number.

It is an amenable number.

42324140 is an abundant number, since it is smaller than the sum of its proper divisors (50421940).

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

42324140 is a wasteful number, since it uses less digits than its factorization.

42324140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 92041 (or 92039 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 20.

The square root of 42324140 is about 6505.7005771861. The cubic root of 42324140 is about 348.4945955289.

Adding to 42324140 its reverse (4142324), we get a palindrome (46466464).

The spelling of 42324140 in words is "forty-two million, three hundred twenty-four thousand, one hundred forty".