42043624 has 32 divisors (see below), whose sum is σ = 90460800. Its totient is φ = 17945280.

The previous prime is 42043621. The next prime is 42043627. The reversal of 42043624 is 42634024.

It is an interprime number because it is at equal distance from previous prime (42043621) and next prime (42043627).

It is not an unprimeable number, because it can be changed into a prime (42043621) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13669 + ... + 16459.

It is an arithmetic number, because the mean of its divisors is an integer number (2826900).

Almost surely, 2^42043624 is an apocalyptic number.

It is an amenable number.

42043624 is an abundant number, since it is smaller than the sum of its proper divisors (48417176).

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

42043624 is a wasteful number, since it uses less digits than its factorization.

42043624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3073 (or 3069 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 25.

The square root of 42043624 is about 6484.1054895799. The cubic root of 42043624 is about 347.7229706126.

Adding to 42043624 its reverse (42634024), we get a palindrome (84677648).

It can be divided in two parts, 420 and 43624, that added together give a palindrome (44044).

The spelling of 42043624 in words is "forty-two million, forty-three thousand, six hundred twenty-four".