1402000444 has 24 divisors (see below), whose sum is σ = 2644919648. Its totient is φ = 646418880.

The previous prime is 1402000433. The next prime is 1402000469. The reversal of 1402000444 is 4440002041.

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, 39889 + ... + 66295.

Almost surely, 2^1402000444 is an apocalyptic number.

It is an amenable number.

1402000444 is a deficient number, since it is larger than the sum of its proper divisors (1242919204).

1402000444 is a wasteful number, since it uses less digits than its factorization.

1402000444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27445 (or 27443 counting only the distinct ones).

The product of its (nonzero) digits is 512, while the sum is 19.

The square root of 1402000444 is about 37443.2963826637. The cubic root of 1402000444 is about 1119.2215157805.

Adding to 1402000444 its reverse (4440002041), we get a palindrome (5842002485).

The spelling of 1402000444 in words is "one billion, four hundred two million, four hundred forty-four", and thus it is an aban number.