2642400423 has 24 divisors (see below), whose sum is σ = 4352192208. Its totient is φ = 1530438912.

The previous prime is 2642400421. The next prime is 2642400451. The reversal of 2642400423 is 3240042462.

It is not a de Polignac number, because 2642400423 - 2¹ = 2642400421 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2642400421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 662265 + ... + 666242.

It is an arithmetic number, because the mean of its divisors is an integer number (181341342).

Almost surely, 2^2642400423 is an apocalyptic number.

2642400423 is a deficient number, since it is larger than the sum of its proper divisors (1709791785).

2642400423 is a wasteful number, since it uses less digits than its factorization.

2642400423 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1328543 (or 1328540 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 27.

The square root of 2642400423 is about 51404.2840918926. The cubic root of 2642400423 is about 1382.5034064534.

Adding to 2642400423 its reverse (3240042462), we get a palindrome (5882442885).

The spelling of 2642400423 in words is "two billion, six hundred forty-two million, four hundred thousand, four hundred twenty-three".