40668758 has 8 divisors (see below), whose sum is σ = 65695728. Its totient is φ = 18770184.

The previous prime is 40668757. The next prime is 40668763. The reversal of 40668758 is 85786604.

40668758 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 not an unprimeable number, because it can be changed into a prime (40668751) by changing a digit.

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, 782066 + ... + 782117.

It is an arithmetic number, because the mean of its divisors is an integer number (8211966).

Almost surely, 2^40668758 is an apocalyptic number.

40668758 is a deficient number, since it is larger than the sum of its proper divisors (25026970).

40668758 is a wasteful number, since it uses less digits than its factorization.

40668758 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1564198.

The product of its (nonzero) digits is 322560, while the sum is 44.

The square root of 40668758 is about 6377.2061280783. The cubic root of 40668758 is about 343.8905986616.

The spelling of 40668758 in words is "forty million, six hundred sixty-eight thousand, seven hundred fifty-eight".