40905850 has 24 divisors (see below), whose sum is σ = 76540860. Its totient is φ = 16264320.

The previous prime is 40905827. The next prime is 40905881. The reversal of 40905850 is 5850904.

It can be written as a sum of positive squares in 6 ways, for example, as 11648569 + 29257281 = 3413^2 + 5409^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6286 + ... + 11014.

Almost surely, 2^40905850 is an apocalyptic number.

40905850 is a deficient number, since it is larger than the sum of its proper divisors (35635010).

40905850 is a wasteful number, since it uses less digits than its factorization.

40905850 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4914 (or 4909 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 31.

The square root of 40905850 is about 6395.7681321324. The cubic root of 40905850 is about 344.5575789384.

The spelling of 40905850 in words is "forty million, nine hundred five thousand, eight hundred fifty".