10401403444 has 12 divisors (see below), whose sum is σ = 18694414564. Its totient is φ = 5060142144.

The previous prime is 10401403427. The next prime is 10401403469. The reversal of 10401403444 is 44430410401.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 7291110544 + 3110292900 = 85388^2 + 55770^2 .

It is a super-2 number, since 2×10401403444² (a number of 21 digits) 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, 35139729 + ... + 35140024.

Almost surely, 2^10401403444 is an apocalyptic number.

It is an amenable number.

10401403444 is a deficient number, since it is larger than the sum of its proper divisors (8293011120).

10401403444 is a wasteful number, since it uses less digits than its factorization.

10401403444 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70279794 (or 70279792 counting only the distinct ones).

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

Adding to 10401403444 its reverse (44430410401), we get a palindrome (54831813845).

The spelling of 10401403444 in words is "ten billion, four hundred one million, four hundred three thousand, four hundred forty-four".