10142042402 has 8 divisors (see below), whose sum is σ = 15249200412. Its totient is φ = 5058975600.

The previous prime is 10142042387. The next prime is 10142042413. The reversal of 10142042402 is 20424024101.

It can be written as a sum of positive squares in 2 ways, for example, as 6793221241 + 3348821161 = 82421^2 + 57869^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×10142042402² (a number of 21 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6021749 + ... + 6023432.

Almost surely, 2^10142042402 is an apocalyptic number.

10142042402 is a deficient number, since it is larger than the sum of its proper divisors (5107158010).

10142042402 is a wasteful number, since it uses less digits than its factorization.

10142042402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12045604.

The product of its (nonzero) digits is 512, while the sum is 20.

Adding to 10142042402 its reverse (20424024101), we get a palindrome (30566066503).

The spelling of 10142042402 in words is "ten billion, one hundred forty-two million, forty-two thousand, four hundred two".