40424442143 has 8 divisors (see below), whose sum is σ = 42220645728. Its totient is φ = 38631456864.

The previous prime is 40424442139. The next prime is 40424442151. The reversal of 40424442143 is 34124442404.

40424442143 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 40424442143 - 2² = 40424442139 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 (40424442133) 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, 778880 + ... + 829157.

It is an arithmetic number, because the mean of its divisors is an integer number (5277580716).

Almost surely, 2^40424442143 is an apocalyptic number.

40424442143 is a deficient number, since it is larger than the sum of its proper divisors (1796203585).

40424442143 is a wasteful number, since it uses less digits than its factorization.

40424442143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1609153.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 40424442143 its reverse (34124442404), we get a palindrome (74548884547).

The spelling of 40424442143 in words is "forty billion, four hundred twenty-four million, four hundred forty-two thousand, one hundred forty-three".