40459646 has 8 divisors (see below), whose sum is σ = 62100984. Its totient is φ = 19759320.

The previous prime is 40459637. The next prime is 40459649. The reversal of 40459646 is 64695404.

It is a happy number.

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 (40459649) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 235145 + ... + 235316.

It is an arithmetic number, because the mean of its divisors is an integer number (7762623).

Almost surely, 2^40459646 is an apocalyptic number.

40459646 is a deficient number, since it is larger than the sum of its proper divisors (21641338).

40459646 is a wasteful number, since it uses less digits than its factorization.

40459646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 470506.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 40459646 is about 6360.7897308432. The cubic root of 40459646 is about 343.3001761006.

The spelling of 40459646 in words is "forty million, four hundred fifty-nine thousand, six hundred forty-six".