402144434334 has 24 divisors (see below), whose sum is σ = 871669985472. Its totient is φ = 133993214880.

The previous prime is 402144434309. The next prime is 402144434339. The reversal of 402144434334 is 433434441204.

402144434334 is a `hidden beast` number, since 4 + 0 + 214 + 4 + 4 + 3 + 433 + 4 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402144434339) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4532334 + ... + 4620209.

It is an arithmetic number, because the mean of its divisors is an integer number (36319582728).

Almost surely, 2^402144434334 is an apocalyptic number.

402144434334 is an abundant number, since it is smaller than the sum of its proper divisors (469525551138).

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

402144434334 is a wasteful number, since it uses less digits than its factorization.

402144434334 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9154992 (or 9154989 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 36.

Adding to 402144434334 its reverse (433434441204), we get a palindrome (835578875538).

The spelling of 402144434334 in words is "four hundred two billion, one hundred forty-four million, four hundred thirty-four thousand, three hundred thirty-four".