2400434342443 has 24 divisors (see below), whose sum is σ = 2579135549760. Its totient is φ = 2233048920960.

The previous prime is 2400434342441. The next prime is 2400434342459. The reversal of 2400434342443 is 3442434340042.

It is not a de Polignac number, because 2400434342443 - 2¹ = 2400434342441 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2400434342441) 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 23 ways as a sum of consecutive naturals, for example, 2454030 + ... + 3289852.

It is an arithmetic number, because the mean of its divisors is an integer number (107463981240).

Almost surely, 2^{2400434342443} is an apocalyptic number.

2400434342443 is a gapful number since it is divisible by the number (23) formed by its first and last digit.

2400434342443 is a deficient number, since it is larger than the sum of its proper divisors (178701207317).

2400434342443 is an equidigital number, since it uses as much as digits as its factorization.

2400434342443 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 836019 (or 835996 counting only the distinct ones).

The product of its (nonzero) digits is 442368, while the sum is 37.

Adding to 2400434342443 its reverse (3442434340042), we get a palindrome (5842868682485).

The spelling of 2400434342443 in words is "two trillion, four hundred billion, four hundred thirty-four million, three hundred forty-two thousand, four hundred forty-three".