402144210311 has 16 divisors (see below), whose sum is σ = 439847988480. Its totient is φ = 366018723840.

The previous prime is 402144210301. The next prime is 402144210319. The reversal of 402144210311 is 113012441204.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-402144210311 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402144210319) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 471755 + ... + 1013331.

It is an arithmetic number, because the mean of its divisors is an integer number (27490499280).

Almost surely, 2^402144210311 is an apocalyptic number.

402144210311 is a deficient number, since it is larger than the sum of its proper divisors (37703778169).

402144210311 is a wasteful number, since it uses less digits than its factorization.

402144210311 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543034.

The product of its (nonzero) digits is 768, while the sum is 23.

Adding to 402144210311 its reverse (113012441204), we get a palindrome (515156651515).

The spelling of 402144210311 in words is "four hundred two billion, one hundred forty-four million, two hundred ten thousand, three hundred eleven".