40605530 has 16 divisors (see below), whose sum is σ = 83531520. Its totient is φ = 13921872.

The previous prime is 40605529. The next prime is 40605541. The reversal of 40605530 is 3550604.

It is a junction number, because it is equal to n+sod(n) for n = 40605496 and 40605505.

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, 289970 + ... + 290109.

It is an arithmetic number, because the mean of its divisors is an integer number (5220720).

Almost surely, 2^40605530 is an apocalyptic number.

40605530 is an abundant number, since it is smaller than the sum of its proper divisors (42925990).

40605530 is a wasteful number, since it uses less digits than its factorization.

40605530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 580093.

The product of its (nonzero) digits is 1800, while the sum is 23.

The square root of 40605530 is about 6372.2468564863. The cubic root of 40605530 is about 343.7122898578.

The spelling of 40605530 in words is "forty million, six hundred five thousand, five hundred thirty".