42324420 has 48 divisors (see below), whose sum is σ = 119040768. Its totient is φ = 11235840.

The previous prime is 42324413. The next prime is 42324431. The reversal of 42324420 is 2442324.

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 15 ways as a sum of consecutive naturals, for example, 12997 + ... + 15923.

It is an arithmetic number, because the mean of its divisors is an integer number (2480016).

Almost surely, 2^42324420 is an apocalyptic number.

It is an amenable number.

42324420 is an abundant number, since it is smaller than the sum of its proper divisors (76716348).

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

42324420 is a wasteful number, since it uses less digits than its factorization.

42324420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3180 (or 3178 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 21.

The square root of 42324420 is about 6505.7220967391. The cubic root of 42324420 is about 348.4953640286.

Adding to 42324420 its reverse (2442324), we get a palindrome (44766744).

The spelling of 42324420 in words is "forty-two million, three hundred twenty-four thousand, four hundred twenty".