40333220 has 24 divisors (see below), whose sum is σ = 85196664. Its totient is φ = 16038656.

The previous prime is 40333207. The next prime is 40333253. The reversal of 40333220 is 2233304.

It can be written as a sum of positive squares in 4 ways, for example, as 16048036 + 24285184 = 4006^2 + 4928^2 .

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, 2369 + ... + 9288.

It is an arithmetic number, because the mean of its divisors is an integer number (3549861).

Almost surely, 2^40333220 is an apocalyptic number.

It is an amenable number.

40333220 is an abundant number, since it is smaller than the sum of its proper divisors (44863444).

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

40333220 is a wasteful number, since it uses less digits than its factorization.

40333220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11839 (or 11837 counting only the distinct ones).

The product of its (nonzero) digits is 432, while the sum is 17.

The square root of 40333220 is about 6350.8440383936. The cubic root of 40333220 is about 342.9422280564.

Adding to 40333220 its reverse (2233304), we get a palindrome (42566524).

The spelling of 40333220 in words is "forty million, three hundred thirty-three thousand, two hundred twenty".