40416766 has 16 divisors (see below), whose sum is σ = 65939328. Its totient is φ = 18468000.

The previous prime is 40416763. The next prime is 40416787. The reversal of 40416766 is 66761404.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40416763) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5070 + ... + 10321.

It is an arithmetic number, because the mean of its divisors is an integer number (4121208).

Almost surely, 2^40416766 is an apocalyptic number.

40416766 is a deficient number, since it is larger than the sum of its proper divisors (25522562).

40416766 is a wasteful number, since it uses less digits than its factorization.

40416766 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 15507.

The product of its (nonzero) digits is 24192, while the sum is 34.

The square root of 40416766 is about 6357.4181866541. The cubic root of 40416766 is about 343.1788542692.

The spelling of 40416766 in words is "forty million, four hundred sixteen thousand, seven hundred sixty-six".