40264646 has 8 divisors (see below), whose sum is σ = 60603984. Its totient is φ = 20063320.

The previous prime is 40264613. The next prime is 40264661. The reversal of 40264646 is 64646204.

40264646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 33770 + ... + 34941.

It is an arithmetic number, because the mean of its divisors is an integer number (7575498).

Almost surely, 2^40264646 is an apocalyptic number.

40264646 is a deficient number, since it is larger than the sum of its proper divisors (20339338).

40264646 is a wasteful number, since it uses less digits than its factorization.

40264646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69006.

The product of its (nonzero) digits is 27648, while the sum is 32.

The square root of 40264646 is about 6345.4429317424. The cubic root of 40264646 is about 342.7477625457.

The spelling of 40264646 in words is "forty million, two hundred sixty-four thousand, six hundred forty-six".