2440122431 has 4 divisors (see below), whose sum is σ = 2441826672. Its totient is φ = 2438418192.

The previous prime is 2440122409. The next prime is 2440122449. The reversal of 2440122431 is 1342210442.

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 2440122431 - 2²² = 2435928127 is a prime.

It is a super-2 number, since 2×2440122431² = 11908394956538699522, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 2440122397 and 2440122406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2440122331) 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, 849971 + ... + 852836.

It is an arithmetic number, because the mean of its divisors is an integer number (610456668).

Almost surely, 2^2440122431 is an apocalyptic number.

2440122431 is a deficient number, since it is larger than the sum of its proper divisors (1704241).

2440122431 is a wasteful number, since it uses less digits than its factorization.

2440122431 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1704240.

The product of its (nonzero) digits is 1536, while the sum is 23.

The square root of 2440122431 is about 49397.5953969421. The cubic root of 2440122431 is about 1346.2856160625.

Adding to 2440122431 its reverse (1342210442), we get a palindrome (3782332873).

The spelling of 2440122431 in words is "two billion, four hundred forty million, one hundred twenty-two thousand, four hundred thirty-one".