402321442444124 has 24 divisors (see below), whose sum is σ = 804692247367008. Its totient is φ = 172412897659200.

The previous prime is 402321442444121. The next prime is 402321442444153. The reversal of 402321442444124 is 421444244123204.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402321442444121) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 440271839 + ... + 441184694.

It is an arithmetic number, because the mean of its divisors is an integer number (33528843640292).

Almost surely, 2^{402321442444124} is an apocalyptic number.

It is an amenable number.

402321442444124 is an abundant number, since it is smaller than the sum of its proper divisors (402370804922884).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402321442444124 is a wasteful number, since it uses less digits than its factorization.

402321442444124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 881472845 (or 881472843 counting only the distinct ones).

The product of its (nonzero) digits is 786432, while the sum is 41.

Adding to 402321442444124 its reverse (421444244123204), we get a palindrome (823765686567328).

The spelling of 402321442444124 in words is "four hundred two trillion, three hundred twenty-one billion, four hundred forty-two million, four hundred forty-four thousand, one hundred twenty-four".