40213306 has 8 divisors (see below), whose sum is σ = 68937120. Its totient is φ = 17234268.

The previous prime is 40213297. The next prime is 40213307. The reversal of 40213306 is 60331204.

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

It is not an unprimeable number, because it can be changed into a prime (40213307) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1436176 + ... + 1436203.

It is an arithmetic number, because the mean of its divisors is an integer number (8617140).

Almost surely, 2^40213306 is an apocalyptic number.

40213306 is a deficient number, since it is larger than the sum of its proper divisors (28723814).

40213306 is a wasteful number, since it uses less digits than its factorization.

40213306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2872388.

The product of its (nonzero) digits is 432, while the sum is 19.

The square root of 40213306 is about 6341.3962184995. The cubic root of 40213306 is about 342.6020254774.

The spelling of 40213306 in words is "forty million, two hundred thirteen thousand, three hundred six".