40803818 has 16 divisors (see below), whose sum is σ = 68324256. Its totient is φ = 18115440.

The previous prime is 40803809. The next prime is 40803821. The reversal of 40803818 is 81830804.

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, 20621 + ... + 22512.

It is an arithmetic number, because the mean of its divisors is an integer number (4270266).

Almost surely, 2^40803818 is an apocalyptic number.

40803818 is a deficient number, since it is larger than the sum of its proper divisors (27520438).

40803818 is a wasteful number, since it uses less digits than its factorization.

40803818 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43189.

The product of its (nonzero) digits is 6144, while the sum is 32.

The square root of 40803818 is about 6387.7866276199. The cubic root of 40803818 is about 344.2708622511.

The spelling of 40803818 in words is "forty million, eight hundred three thousand, eight hundred eighteen".