40788766 has 8 divisors (see below), whose sum is σ = 61312320. Its totient is φ = 20351328.

The previous prime is 40788743. The next prime is 40788767. The reversal of 40788766 is 66788704.

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 (40788767) 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, 20331 + ... + 22246.

It is an arithmetic number, because the mean of its divisors is an integer number (7664040).

Almost surely, 2^40788766 is an apocalyptic number.

40788766 is a deficient number, since it is larger than the sum of its proper divisors (20523554).

40788766 is a wasteful number, since it uses less digits than its factorization.

40788766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 43058.

The product of its (nonzero) digits is 451584, while the sum is 46.

The square root of 40788766 is about 6386.6083330669. The cubic root of 40788766 is about 344.2285246907.

The spelling of 40788766 in words is "forty million, seven hundred eighty-eight thousand, seven hundred sixty-six".