40605306 has 32 divisors (see below), whose sum is σ = 93242880. Its totient is φ = 11547696.

The previous prime is 40605269. The next prime is 40605311. The reversal of 40605306 is 60350604.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 7405 + ... + 11663.

It is an arithmetic number, because the mean of its divisors is an integer number (2913840).

Almost surely, 2^40605306 is an apocalyptic number.

40605306 is an abundant number, since it is smaller than the sum of its proper divisors (52637574).

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

40605306 is a wasteful number, since it uses less digits than its factorization.

40605306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4498.

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 40605306 is about 6372.2292802441. The cubic root of 40605306 is about 343.7116578281.

The spelling of 40605306 in words is "forty million, six hundred five thousand, three hundred six".