10042142788 has 6 divisors (see below), whose sum is σ = 17573749886. Its totient is φ = 5021071392.

The previous prime is 10042142783. The next prime is 10042142791. The reversal of 10042142788 is 88724124001.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 5474816064 + 4567326724 = 73992^2 + 67582^2 .

It is not an unprimeable number, because it can be changed into a prime (10042142783) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1255267845 + ... + 1255267852.

Almost surely, 2^10042142788 is an apocalyptic number.

It is an amenable number.

10042142788 is a deficient number, since it is larger than the sum of its proper divisors (7531607098).

10042142788 is a wasteful number, since it uses less digits than its factorization.

10042142788 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2510535701 (or 2510535699 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 37.

Adding to 10042142788 its reverse (88724124001), we get a palindrome (98766266789).

The spelling of 10042142788 in words is "ten billion, forty-two million, one hundred forty-two thousand, seven hundred eighty-eight".