10403140444 has 24 divisors (see below), whose sum is σ = 18261210240. Its totient is φ = 5185674096.

The previous prime is 10403140439. The next prime is 10403140459. The reversal of 10403140444 is 44404130401.

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 7 ways as a sum of consecutive naturals, for example, 2947809 + ... + 2951335.

It is an arithmetic number, because the mean of its divisors is an integer number (760883760).

Almost surely, 2^10403140444 is an apocalyptic number.

It is an amenable number.

10403140444 is a deficient number, since it is larger than the sum of its proper divisors (7858069796).

10403140444 is a wasteful number, since it uses less digits than its factorization.

10403140444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5577 (or 5575 counting only the distinct ones).

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

Adding to 10403140444 its reverse (44404130401), we get a palindrome (54807270845).

The spelling of 10403140444 in words is "ten billion, four hundred three million, one hundred forty thousand, four hundred forty-four".