2421004431424 has 28 divisors (see below), whose sum is σ = 4804239458304. Its totient is φ = 1210487402624.

The previous prime is 2421004431403. The next prime is 2421004431427. The reversal of 2421004431424 is 4241344001242.

It is a happy number.

It is a super-2 number, since 2×2421004431424² (a number of 26 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (2421004431427) 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, 6604449 + ... + 6961375.

Almost surely, 2^{2421004431424} is an apocalyptic number.

It is an amenable number.

2421004431424 is a deficient number, since it is larger than the sum of its proper divisors (2383235026880).

2421004431424 is a wasteful number, since it uses less digits than its factorization.

2421004431424 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462922 (or 462912 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 2421004431424 its reverse (4241344001242), we get a palindrome (6662348432666).

The spelling of 2421004431424 in words is "two trillion, four hundred twenty-one billion, four million, four hundred thirty-one thousand, four hundred twenty-four".