40024344143 has 16 divisors (see below), whose sum is σ = 46820987136. Its totient is φ = 33497936640.

The previous prime is 40024344131. The next prime is 40024344161. The reversal of 40024344143 is 34144342004.

It is a happy number.

It is not a de Polignac number, because 40024344143 - 2²⁴ = 40007566927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40024344193) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 991880 + ... + 1031442.

It is an arithmetic number, because the mean of its divisors is an integer number (2926311696).

Almost surely, 2^40024344143 is an apocalyptic number.

40024344143 is a gapful number since it is divisible by the number (43) formed by its first and last digit.

40024344143 is a deficient number, since it is larger than the sum of its proper divisors (6796642993).

40024344143 is a wasteful number, since it uses less digits than its factorization.

40024344143 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42974.

The product of its (nonzero) digits is 18432, while the sum is 29.

Adding to 40024344143 its reverse (34144342004), we get a palindrome (74168686147).

The spelling of 40024344143 in words is "forty billion, twenty-four million, three hundred forty-four thousand, one hundred forty-three".