42333330 has 128 divisors (see below), whose sum is σ = 119750400. Its totient is φ = 9483264.

The previous prime is 42333307. The next prime is 42333341. The reversal of 42333330 is 3333324.

It is a super-2 number, since 2×42333330² = 3584221657777800, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 42333297 and 42333306.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 214792 + ... + 214988.

It is an arithmetic number, because the mean of its divisors is an integer number (935550).

Almost surely, 2^42333330 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42333330, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (59875200).

42333330 is an abundant number, since it is smaller than the sum of its proper divisors (77417070).

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

42333330 is a wasteful number, since it uses less digits than its factorization.

42333330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268.

The product of its (nonzero) digits is 1944, while the sum is 21.

The square root of 42333330 is about 6506.4068424899. The cubic root of 42333330 is about 348.5198170184.

Adding to 42333330 its reverse (3333324), we get a palindrome (45666654).

The spelling of 42333330 in words is "forty-two million, three hundred thirty-three thousand, three hundred thirty".