40116646 has 16 divisors (see below), whose sum is σ = 63408384. Its totient is φ = 18997704.

The previous prime is 40116641. The next prime is 40116647. The reversal of 40116646 is 64661104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40116641) 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, 505 + ... + 8971.

It is an arithmetic number, because the mean of its divisors is an integer number (3963024).

Almost surely, 2^40116646 is an apocalyptic number.

40116646 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

40116646 is a deficient number, since it is larger than the sum of its proper divisors (23291738).

40116646 is a wasteful number, since it uses less digits than its factorization.

40116646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8595.

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 40116646 is about 6333.7702831726. The cubic root of 40116646 is about 342.3273031368.

The spelling of 40116646 in words is "forty million, one hundred sixteen thousand, six hundred forty-six".