10042030402 has 4 divisors (see below), whose sum is σ = 15063045606. Its totient is φ = 5021015200.

The previous prime is 10042030381. The next prime is 10042030409. The reversal of 10042030402 is 20403024001.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 9265795081 + 776235321 = 96259^2 + 27861^2 .

It is not an unprimeable number, because it can be changed into a prime (10042030409) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2510507599 + ... + 2510507602.

Almost surely, 2^10042030402 is an apocalyptic number.

10042030402 is a deficient number, since it is larger than the sum of its proper divisors (5021015204).

10042030402 is an equidigital number, since it uses as much as digits as its factorization.

10042030402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5021015203.

The product of its (nonzero) digits is 192, while the sum is 16.

Adding to 10042030402 its reverse (20403024001), we get a palindrome (30445054403).

The spelling of 10042030402 in words is "ten billion, forty-two million, thirty thousand, four hundred two".