40343163 has 8 divisors (see below), whose sum is σ = 61475328. Its totient is φ = 23053224.

The previous prime is 40343141. The next prime is 40343203. The reversal of 40343163 is 36134304.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40343163 - 2⁵ = 40343131 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40343113) 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, 960531 + ... + 960572.

It is an arithmetic number, because the mean of its divisors is an integer number (7684416).

Almost surely, 2^40343163 is an apocalyptic number.

40343163 is a deficient number, since it is larger than the sum of its proper divisors (21132165).

40343163 is a wasteful number, since it uses less digits than its factorization.

40343163 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1921113.

The product of its (nonzero) digits is 2592, while the sum is 24.

The square root of 40343163 is about 6351.6267994900. The cubic root of 40343163 is about 342.9704066017.

Adding to 40343163 its reverse (36134304), we get a palindrome (76477467).

The spelling of 40343163 in words is "forty million, three hundred forty-three thousand, one hundred sixty-three".