2240240240431 has 4 divisors (see below), whose sum is σ = 2240311897512. Its totient is φ = 2240168583352.

The previous prime is 2240240240419. The next prime is 2240240240471. The reversal of 2240240240431 is 1340420420422.

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

It is a cyclic number.

It is not a de Polignac number, because 2240240240431 - 2¹⁵ = 2240240207663 is a prime.

It is a super-2 number, since 2×2240240240431² (a number of 26 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2240240240431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2240240240401) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35781625 + ... + 35844178.

It is an arithmetic number, because the mean of its divisors is an integer number (560077974378).

Almost surely, 2^{2240240240431} is an apocalyptic number.

2240240240431 is a deficient number, since it is larger than the sum of its proper divisors (71657081).

2240240240431 is an equidigital number, since it uses as much as digits as its factorization.

2240240240431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71657080.

The product of its (nonzero) digits is 12288, while the sum is 28.

Adding to 2240240240431 its reverse (1340420420422), we get a palindrome (3580660660853).

The spelling of 2240240240431 in words is "two trillion, two hundred forty billion, two hundred forty million, two hundred forty thousand, four hundred thirty-one".