40003364 has 24 divisors (see below), whose sum is σ = 72729720. Its totient is φ = 19236096.

The previous prime is 40003319. The next prime is 40003387. The reversal of 40003364 is 46330004.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 14500864 + 25502500 = 3808^2 + 5050^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 11654 + ... + 14690.

It is an arithmetic number, because the mean of its divisors is an integer number (3030405).

Almost surely, 2^40003364 is an apocalyptic number.

It is an amenable number.

40003364 is a deficient number, since it is larger than the sum of its proper divisors (32726356).

40003364 is a wasteful number, since it uses less digits than its factorization.

40003364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3167 (or 3165 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 20.

The square root of 40003364 is about 6324.8212622967. The cubic root of 40003364 is about 342.0047763317.

Adding to 40003364 its reverse (46330004), we get a palindrome (86333368).

The spelling of 40003364 in words is "forty million, three thousand, three hundred sixty-four".