10042402 has 4 divisors (see below), whose sum is σ = 15063606. Its totient is φ = 5021200.

The previous prime is 10042399. The next prime is 10042411. The reversal of 10042402 is 20424001.

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., 7349521 + 2692881 = 2711^2 + 1641^2 .

It is a Smith number, since the sum of its digits (13) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2510599 + ... + 2510602.

Almost surely, 2^10042402 is an apocalyptic number.

10042402 is a deficient number, since it is larger than the sum of its proper divisors (5021204).

10042402 is an equidigital number, since it uses as much as digits as its factorization.

10042402 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5021203.

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 10042402 is about 3168.9749131225. The cubic root of 10042402 is about 215.7475474220.

Adding to 10042402 its reverse (20424001), we get a palindrome (30466403).

The spelling of 10042402 in words is "ten million, forty-two thousand, four hundred two".