402144344014 has 32 divisors (see below), whose sum is σ = 711744362496. Its totient is φ = 166760868960.

The previous prime is 402144344009. The next prime is 402144344039. The reversal of 402144344014 is 410443441204.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2717232 + ... + 2861404.

It is an arithmetic number, because the mean of its divisors is an integer number (22242011328).

Almost surely, 2^402144344014 is an apocalyptic number.

402144344014 is a deficient number, since it is larger than the sum of its proper divisors (309600018482).

402144344014 is a wasteful number, since it uses less digits than its factorization.

402144344014 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150640.

The product of its (nonzero) digits is 24576, while the sum is 31.

Adding to 402144344014 its reverse (410443441204), we get a palindrome (812587785218).

The spelling of 402144344014 in words is "four hundred two billion, one hundred forty-four million, three hundred forty-four thousand, fourteen".