10402303042 has 4 divisors (see below), whose sum is σ = 15603454566. Its totient is φ = 5201151520.

The previous prime is 10402303033. The next prime is 10402303049. The reversal of 10402303042 is 24030320401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 24030320401 = 4019 ⋅5979179.

It can be written as a sum of positive squares in only one way, i.e., 9645007681 + 757295361 = 98209^2 + 27519^2 .

It is not an unprimeable number, because it can be changed into a prime (10402303049) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2600575759 + ... + 2600575762.

Almost surely, 2^10402303042 is an apocalyptic number.

10402303042 is a deficient number, since it is larger than the sum of its proper divisors (5201151524).

10402303042 is an equidigital number, since it uses as much as digits as its factorization.

10402303042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5201151523.

The product of its (nonzero) digits is 576, while the sum is 19.

Adding to 10402303042 its reverse (24030320401), we get a palindrome (34432623443).

The spelling of 10402303042 in words is "ten billion, four hundred two million, three hundred three thousand, forty-two".