40064224 has 24 divisors (see below), whose sum is σ = 79620408. Its totient is φ = 19843200.

The previous prime is 40064209. The next prime is 40064231. The reversal of 40064224 is 42246004.

It is a junction number, because it is equal to n+sod(n) for n = 40064195 and 40064204.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 2427 + ... + 9274.

It is an arithmetic number, because the mean of its divisors is an integer number (3317517).

Almost surely, 2^40064224 is an apocalyptic number.

It is an amenable number.

40064224 is a deficient number, since it is larger than the sum of its proper divisors (39556184).

40064224 is a wasteful number, since it uses less digits than its factorization.

40064224 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11818 (or 11810 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 22.

The square root of 40064224 is about 6329.6306369329. The cubic root of 40064224 is about 342.1781272872.

The spelling of 40064224 in words is "forty million, sixty-four thousand, two hundred twenty-four".