40324143 has 8 divisors (see below), whose sum is σ = 53941888. Its totient is φ = 26794584.

The previous prime is 40324133. The next prime is 40324157. The reversal of 40324143 is 34142304.

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

It is not a de Polignac number, because 40324143 - 2⁶ = 40324079 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40324133) 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, 20971 + ... + 22812.

It is an arithmetic number, because the mean of its divisors is an integer number (6742736).

Almost surely, 2^40324143 is an apocalyptic number.

40324143 is a deficient number, since it is larger than the sum of its proper divisors (13617745).

40324143 is a wasteful number, since it uses less digits than its factorization.

40324143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44093.

The product of its (nonzero) digits is 1152, while the sum is 21.

The square root of 40324143 is about 6350.1293687609. The cubic root of 40324143 is about 342.9164997183.

Adding to 40324143 its reverse (34142304), we get a palindrome (74466447).

The spelling of 40324143 in words is "forty million, three hundred twenty-four thousand, one hundred forty-three".