40993306 has 16 divisors (see below), whose sum is σ = 63296640. Its totient is φ = 19901440.

The previous prime is 40993289. The next prime is 40993313. The reversal of 40993306 is 60339904.

It is a super-2 number, since 2×40993306² = 3360902273619272, which contains 22 as substring.

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, 10650 + ... + 13978.

It is an arithmetic number, because the mean of its divisors is an integer number (3956040).

Almost surely, 2^40993306 is an apocalyptic number.

40993306 is a deficient number, since it is larger than the sum of its proper divisors (22303334).

40993306 is a wasteful number, since it uses less digits than its factorization.

40993306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3509.

The product of its (nonzero) digits is 17496, while the sum is 34.

The square root of 40993306 is about 6402.6015025144. The cubic root of 40993306 is about 344.8029568655.

The spelling of 40993306 in words is "forty million, nine hundred ninety-three thousand, three hundred six".