2404240002431 has 4 divisors (see below), whose sum is σ = 2426709535272. Its totient is φ = 2381770469592.

The previous prime is 2404240002421. The next prime is 2404240002523. The reversal of 2404240002431 is 1342000424042.

It is a happy number.

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 2404240002431 - 2¹⁰ = 2404240001407 is a prime.

It is a super-2 number, since 2×2404240002431² (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 2404240002431.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2404240002421) 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, 11234766260 + ... + 11234766473.

It is an arithmetic number, because the mean of its divisors is an integer number (606677383818).

Almost surely, 2^{2404240002431} is an apocalyptic number.

2404240002431 is a deficient number, since it is larger than the sum of its proper divisors (22469532841).

2404240002431 is a wasteful number, since it uses less digits than its factorization.

2404240002431 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22469532840.

The product of its (nonzero) digits is 6144, while the sum is 26.

Adding to 2404240002431 its reverse (1342000424042), we get a palindrome (3746240426473).

The spelling of 2404240002431 in words is "two trillion, four hundred four billion, two hundred forty million, two thousand, four hundred thirty-one".