402144440211 has 12 divisors (see below), whose sum is σ = 580901591088. Its totient is φ = 268084160304.

The previous prime is 402144440177. The next prime is 402144440329. The reversal of 402144440211 is 112044441204.

It is a happy number.

402144440211 is a `hidden beast` number, since 4 + 0 + 2 + 1 + 4 + 4 + 440 + 211 = 666.

It is not a de Polignac number, because 402144440211 - 2¹⁴ = 402144423827 is a prime.

It is not an unprimeable number, because it can be changed into a prime (402144420211) 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, 798840 + ... + 1201013.

It is an arithmetic number, because the mean of its divisors is an integer number (48408465924).

Almost surely, 2^402144440211 is an apocalyptic number.

402144440211 is a deficient number, since it is larger than the sum of its proper divisors (178757150877).

402144440211 is a wasteful number, since it uses less digits than its factorization.

402144440211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2022202 (or 2022199 counting only the distinct ones).

The product of its (nonzero) digits is 4096, while the sum is 27.

Adding to 402144440211 its reverse (112044441204), we get a palindrome (514188881415).

The spelling of 402144440211 in words is "four hundred two billion, one hundred forty-four million, four hundred forty thousand, two hundred eleven".