402144441104 has 40 divisors (see below), whose sum is σ = 890499992448. Its totient is φ = 172340398080.

The previous prime is 402144441089. The next prime is 402144441109. The reversal of 402144441104 is 401144441204.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (402144441109) 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, 3272909 + ... + 3393555.

Almost surely, 2^402144441104 is an apocalyptic number.

It is an amenable number.

402144441104 is an abundant number, since it is smaller than the sum of its proper divisors (488355551344).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

402144441104 is a wasteful number, since it uses less digits than its factorization.

402144441104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 150423 (or 150417 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 29.

Adding to 402144441104 its reverse (401144441204), we get a palindrome (803288882308).

The spelling of 402144441104 in words is "four hundred two billion, one hundred forty-four million, four hundred forty-one thousand, one hundred four".