1401044408 has 16 divisors (see below), whose sum is σ = 2656476000. Its totient is φ = 692650816.

The previous prime is 1401044389. The next prime is 1401044413. The reversal of 1401044408 is 8044401041.

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 3 ways as a sum of consecutive naturals, for example, 983168 + ... + 984591.

It is an arithmetic number, because the mean of its divisors is an integer number (166029750).

Almost surely, 2^1401044408 is an apocalyptic number.

It is an amenable number.

1401044408 is a deficient number, since it is larger than the sum of its proper divisors (1255431592).

1401044408 is a wasteful number, since it uses less digits than its factorization.

1401044408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1967854 (or 1967850 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 26.

The square root of 1401044408 is about 37430.5277547619. The cubic root of 1401044408 is about 1118.9670557158.

Adding to 1401044408 its reverse (8044401041), we get a palindrome (9445445449).

The spelling of 1401044408 in words is "one billion, four hundred one million, forty-four thousand, four hundred eight".