402144343210 has 16 divisors (see below), whose sum is σ = 724568807592. Its totient is φ = 160700184000.

The previous prime is 402144343199. The next prime is 402144343213. The reversal of 402144343210 is 12343441204.

It can be written as a sum of positive squares in 4 ways, for example, as 301621738401 + 100522604809 = 549201^2 + 317053^2 .

It is not an unprimeable number, because it can be changed into a prime (402144343213) 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, 19683441 + ... + 19703860.

Almost surely, 2^402144343210 is an apocalyptic number.

402144343210 is a deficient number, since it is larger than the sum of its proper divisors (322424464382).

402144343210 is a wasteful number, since it uses less digits than its factorization.

402144343210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 39388329.

The product of its (nonzero) digits is 9216, while the sum is 28.

Adding to 402144343210 its reverse (12343441204), we get a palindrome (414487784414).

The spelling of 402144343210 in words is "four hundred two billion, one hundred forty-four million, three hundred forty-three thousand, two hundred ten".