40966143 has 16 divisors (see below), whose sum is σ = 56090496. Its totient is φ = 26580960.

The previous prime is 40966139. The next prime is 40966157. The reversal of 40966143 is 34166904.

It is not a de Polignac number, because 40966143 - 2² = 40966139 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40966103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 69496 + ... + 70082.

It is an arithmetic number, because the mean of its divisors is an integer number (3505656).

Almost surely, 2^40966143 is an apocalyptic number.

40966143 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

40966143 is a deficient number, since it is larger than the sum of its proper divisors (15124353).

40966143 is a wasteful number, since it uses less digits than its factorization.

40966143 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1174.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 40966143 is about 6400.4799038822. The cubic root of 40966143 is about 344.7267822159.

The spelling of 40966143 in words is "forty million, nine hundred sixty-six thousand, one hundred forty-three".