2240074155243 has 4 divisors (see below), whose sum is σ = 2986765540328. Its totient is φ = 1493382770160.

The previous prime is 2240074155229. The next prime is 2240074155323. The reversal of 2240074155243 is 3425514700422.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2240074155243 - 2⁵ = 2240074155211 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2240074155743) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 373345692538 + ... + 373345692543.

It is an arithmetic number, because the mean of its divisors is an integer number (746691385082).

Almost surely, 2^{2240074155243} is an apocalyptic number.

2240074155243 is a deficient number, since it is larger than the sum of its proper divisors (746691385085).

2240074155243 is an equidigital number, since it uses as much as digits as its factorization.

2240074155243 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 746691385084.

The product of its (nonzero) digits is 268800, while the sum is 39.

Adding to 2240074155243 its reverse (3425514700422), we get a palindrome (5665588855665).

The spelling of 2240074155243 in words is "two trillion, two hundred forty billion, seventy-four million, one hundred fifty-five thousand, two hundred forty-three".