402042244024 has 32 divisors (see below), whose sum is σ = 784179954000. Its totient is φ = 193005041152.

The previous prime is 402042243997. The next prime is 402042244049. The reversal of 402042244024 is 420442240204.

It is a junction number, because it is equal to n+sod(n) for n = 402042243983 and 402042244001.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4799089 + ... + 4882144.

Almost surely, 2^402042244024 is an apocalyptic number.

It is an amenable number.

402042244024 is a deficient number, since it is larger than the sum of its proper divisors (382137709976).

402042244024 is a wasteful number, since it uses less digits than its factorization.

402042244024 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9681447 (or 9681443 counting only the distinct ones).

The product of its (nonzero) digits is 16384, while the sum is 28.

Adding to 402042244024 its reverse (420442240204), we get a palindrome (822484484228).

The spelling of 402042244024 in words is "four hundred two billion, forty-two million, two hundred forty-four thousand, twenty-four".