40243013043 has 8 divisors (see below), whose sum is σ = 53666014656. Its totient is φ = 26824343400.

The previous prime is 40243013021. The next prime is 40243013059. The reversal of 40243013043 is 34031034204.

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

It is not a de Polignac number, because 40243013043 - 2⁵ = 40243013011 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40243013243) 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, 1061253 + ... + 1098518.

It is an arithmetic number, because the mean of its divisors is an integer number (6708251832).

Almost surely, 2^40243013043 is an apocalyptic number.

40243013043 is a deficient number, since it is larger than the sum of its proper divisors (13423001613).

40243013043 is a wasteful number, since it uses less digits than its factorization.

40243013043 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2165985.

The product of its (nonzero) digits is 3456, while the sum is 24.

Adding to 40243013043 its reverse (34031034204), we get a palindrome (74274047247).

The spelling of 40243013043 in words is "forty billion, two hundred forty-three million, thirteen thousand, forty-three".