1401043444 has 12 divisors (see below), whose sum is σ = 2452617664. Its totient is φ = 700295544.

The previous prime is 1401043439. The next prime is 1401043453. The reversal of 1401043444 is 4443401041.

It is a happy number.

It is a super-2 number, since 2×1401043444² = 3925845463950762272, which contains 22 as substring.

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, 42204 + ... + 67699.

Almost surely, 2^1401043444 is an apocalyptic number.

It is an amenable number.

1401043444 is a deficient number, since it is larger than the sum of its proper divisors (1051574220).

1401043444 is a wasteful number, since it uses less digits than its factorization.

1401043444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113094 (or 113092 counting only the distinct ones).

The product of its (nonzero) digits is 3072, while the sum is 25.

The square root of 1401043444 is about 37430.5148775701. The cubic root of 1401043444 is about 1118.9667990777.

Adding to 1401043444 its reverse (4443401041), we get a palindrome (5844444485).

The spelling of 1401043444 in words is "one billion, four hundred one million, forty-three thousand, four hundred forty-four".