1401244444 has 6 divisors (see below), whose sum is σ = 2452177784. Its totient is φ = 700622220.

The previous prime is 1401244421. The next prime is 1401244457. The reversal of 1401244444 is 4444421041.

1401244444 is a modest number, since divided by 44444 gives 14012 as remainder.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 175155552 + ... + 175155559.

Almost surely, 2^1401244444 is an apocalyptic number.

It is an amenable number.

1401244444 is a deficient number, since it is larger than the sum of its proper divisors (1050933340).

1401244444 is a wasteful number, since it uses less digits than its factorization.

1401244444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 350311115 (or 350311113 counting only the distinct ones).

The product of its (nonzero) digits is 8192, while the sum is 28.

The square root of 1401244444 is about 37433.1997563660. The cubic root of 1401244444 is about 1119.0203071904.

Adding to 1401244444 its reverse (4444421041), we get a palindrome (5845665485).

The spelling of 1401244444 in words is "one billion, four hundred one million, two hundred forty-four thousand, four hundred forty-four".