402442323219 has 6 divisors (see below), whose sum is σ = 581305577996. Its totient is φ = 268294882140.

The previous prime is 402442323209. The next prime is 402442323221. The reversal of 402442323219 is 912323244204.

402442323219 is a `hidden beast` number, since 402 + 4 + 4 + 2 + 3 + 232 + 19 = 666.

It is not a de Polignac number, because 402442323219 - 2¹⁵ = 402442290451 is a prime.

It is a super-2 number, since 2×402442323219² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (402442323209) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 22357906837 + ... + 22357906854.

Almost surely, 2^402442323219 is an apocalyptic number.

402442323219 is a deficient number, since it is larger than the sum of its proper divisors (178863254777).

402442323219 is a wasteful number, since it uses less digits than its factorization.

402442323219 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44715813697 (or 44715813694 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 36.

The spelling of 402442323219 in words is "four hundred two billion, four hundred forty-two million, three hundred twenty-three thousand, two hundred nineteen".