40243351011 has 16 divisors (see below), whose sum is σ = 55514397600. Its totient is φ = 25900813568.

The previous prime is 40243351009. The next prime is 40243351061. The reversal of 40243351011 is 11015334204.

It is a happy number.

It is a cyclic number.

It is not a de Polignac number, because 40243351011 - 2¹ = 40243351009 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40243351061) 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, 946375 + ... + 987983.

It is an arithmetic number, because the mean of its divisors is an integer number (3469649850).

Almost surely, 2^40243351011 is an apocalyptic number.

40243351011 is a deficient number, since it is larger than the sum of its proper divisors (15271046589).

40243351011 is a wasteful number, since it uses less digits than its factorization.

40243351011 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 52758.

The product of its (nonzero) digits is 1440, while the sum is 24.

Adding to 40243351011 its reverse (11015334204), we get a palindrome (51258685215).

The spelling of 40243351011 in words is "forty billion, two hundred forty-three million, three hundred fifty-one thousand, eleven".