1402004311444 has 24 divisors (see below), whose sum is σ = 2677017002688. Its totient is φ = 637164373440.

The previous prime is 1402004311423. The next prime is 1402004311489. The reversal of 1402004311444 is 4441134002041.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2500497 + ... + 3009400.

It is an arithmetic number, because the mean of its divisors is an integer number (111542375112).

Almost surely, 2^{1402004311444} is an apocalyptic number.

It is an amenable number.

1402004311444 is a deficient number, since it is larger than the sum of its proper divisors (1275012691244).

1402004311444 is a wasteful number, since it uses less digits than its factorization.

1402004311444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5515695 (or 5515693 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 1402004311444 its reverse (4441134002041), we get a palindrome (5843138313485).

The spelling of 1402004311444 in words is "one trillion, four hundred two billion, four million, three hundred eleven thousand, four hundred forty-four".