1402104444 has 144 divisors (see below), whose sum is σ = 3813239808. Its totient is φ = 399320064.

The previous prime is 1402104439. The next prime is 1402104463. The reversal of 1402104444 is 4444012041.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2309589 + ... + 2310195.

It is an arithmetic number, because the mean of its divisors is an integer number (26480832).

Almost surely, 2^1402104444 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1402104444, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1906619904).

1402104444 is an abundant number, since it is smaller than the sum of its proper divisors (2411135364).

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

1402104444 is a wasteful number, since it uses less digits than its factorization.

1402104444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 724 (or 709 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 24.

The square root of 1402104444 is about 37444.6851235259. The cubic root of 1402104444 is about 1119.2491896090.

Adding to 1402104444 its reverse (4444012041), we get a palindrome (5846116485).

The spelling of 1402104444 in words is "one billion, four hundred two million, one hundred four thousand, four hundred forty-four".