42330890 has 16 divisors (see below), whose sum is σ = 87080832. Its totient is φ = 14513424.

The previous prime is 42330859. The next prime is 42330931. The reversal of 42330890 is 9803324.

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, 302294 + ... + 302433.

It is an arithmetic number, because the mean of its divisors is an integer number (5442552).

Almost surely, 2^42330890 is an apocalyptic number.

42330890 is an abundant number, since it is smaller than the sum of its proper divisors (44749942).

42330890 is a wasteful number, since it uses less digits than its factorization.

42330890 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 604741.

The product of its (nonzero) digits is 5184, while the sum is 29.

The square root of 42330890 is about 6506.2193323004. The cubic root of 42330890 is about 348.5131209179.

It can be divided in two parts, 423 and 30890, that added together give a palindrome (31313).

The spelling of 42330890 in words is "forty-two million, three hundred thirty thousand, eight hundred ninety".