10140443042 has 16 divisors (see below), whose sum is σ = 15634824120. Its totient is φ = 4930528512.

The previous prime is 10140443003. The next prime is 10140443069. The reversal of 10140443042 is 24034404101.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 4622776081 + 5517666961 = 67991^2 + 74281^2 .

It is a junction number, because it is equal to n+sod(n) for n = 10140442999 and 10140443017.

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, 411317 + ... + 435272.

Almost surely, 2^10140443042 is an apocalyptic number.

10140443042 is a deficient number, since it is larger than the sum of its proper divisors (5494381078).

10140443042 is a wasteful number, since it uses less digits than its factorization.

10140443042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 846757.

The product of its (nonzero) digits is 1536, while the sum is 23.

Adding to 10140443042 its reverse (24034404101), we get a palindrome (34174847143).

The spelling of 10140443042 in words is "ten billion, one hundred forty million, four hundred forty-three thousand, forty-two".