402144443102 has 4 divisors (see below), whose sum is σ = 603216664656. Its totient is φ = 201072221550.

The previous prime is 402144443087. The next prime is 402144443119. The reversal of 402144443102 is 201344441204.

It is a semiprime because it is the product of two primes.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 100536110774 + ... + 100536110777.

It is an arithmetic number, because the mean of its divisors is an integer number (150804166164).

Almost surely, 2^402144443102 is an apocalyptic number.

402144443102 is a deficient number, since it is larger than the sum of its proper divisors (201072221554).

402144443102 is a wasteful number, since it uses less digits than its factorization.

402144443102 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 201072221553.

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 402144443102 its reverse (201344441204), we get a palindrome (603488884306).

The spelling of 402144443102 in words is "four hundred two billion, one hundred forty-four million, four hundred forty-three thousand, one hundred two".