42213340 has 24 divisors (see below), whose sum is σ = 95467680. Its totient is φ = 15586368.

The previous prime is 42213317. The next prime is 42213343. The reversal of 42213340 is 4331224.

42213340 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42213343) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80920 + ... + 81439.

It is an arithmetic number, because the mean of its divisors is an integer number (3977820).

Almost surely, 2^42213340 is an apocalyptic number.

It is an amenable number.

42213340 is an abundant number, since it is smaller than the sum of its proper divisors (53254340).

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

42213340 is a wasteful number, since it uses less digits than its factorization.

42213340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 162381 (or 162379 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 42213340 is about 6497.1793880114. The cubic root of 42213340 is about 348.1902227735.

Adding to 42213340 its reverse (4331224), we get a palindrome (46544564).

The spelling of 42213340 in words is "forty-two million, two hundred thirteen thousand, three hundred forty".