40213333 has 8 divisors (see below), whose sum is σ = 41811840. Its totient is φ = 38644320.

The previous prime is 40213319. The next prime is 40213337. The reversal of 40213333 is 33331204.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40213333 - 2¹³ = 40205141 is a prime.

It is a super-2 number, since 2×40213333² = 3234224301937778, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40213333.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40213337) 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, 4573 + ... + 10066.

It is an arithmetic number, because the mean of its divisors is an integer number (5226480).

Almost surely, 2^40213333 is an apocalyptic number.

It is an amenable number.

40213333 is a deficient number, since it is larger than the sum of its proper divisors (1598507).

40213333 is a wasteful number, since it uses less digits than its factorization.

40213333 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14747.

The product of its (nonzero) digits is 648, while the sum is 19.

The square root of 40213333 is about 6341.3983473679. The cubic root of 40213333 is about 342.6021021540.

Adding to 40213333 its reverse (33331204), we get a palindrome (73544537).

The spelling of 40213333 in words is "forty million, two hundred thirteen thousand, three hundred thirty-three".