40464646 has 8 divisors (see below), whose sum is σ = 60740064. Its totient is φ = 20217960.

The previous prime is 40464637. The next prime is 40464647. The reversal of 40464646 is 64646404.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40464647) by changing a digit.

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, 3225 + ... + 9556.

It is an arithmetic number, because the mean of its divisors is an integer number (7592508).

Almost surely, 2^40464646 is an apocalyptic number.

40464646 is a deficient number, since it is larger than the sum of its proper divisors (20275418).

40464646 is a wasteful number, since it uses less digits than its factorization.

40464646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14366.

The product of its (nonzero) digits is 55296, while the sum is 34.

The square root of 40464646 is about 6361.1827516587. The cubic root of 40464646 is about 343.3143171881.

The spelling of 40464646 in words is "forty million, four hundred sixty-four thousand, six hundred forty-six".