402144244034 has 16 divisors (see below), whose sum is σ = 649854051000. Its totient is φ = 185537485440.

The previous prime is 402144243997. The next prime is 402144244043. The reversal of 402144244034 is 430442441204.

It can be written as a sum of positive squares in 4 ways, for example, as 80375085025 + 321769159009 = 283505^2 + 567247^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2741747 + ... + 2884694.

Almost surely, 2^402144244034 is an apocalyptic number.

402144244034 is a deficient number, since it is larger than the sum of its proper divisors (247709806966).

402144244034 is a wasteful number, since it uses less digits than its factorization.

402144244034 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5629205.

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 402144244034 its reverse (430442441204), we get a palindrome (832586685238).

The spelling of 402144244034 in words is "four hundred two billion, one hundred forty-four million, two hundred forty-four thousand, thirty-four".