4300040042 has 4 divisors (see below), whose sum is σ = 6450060066. Its totient is φ = 2150020020.

The previous prime is 4300040009. The next prime is 4300040053. The reversal of 4300040042 is 2400400034.

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., 2693713801 + 1606326241 = 51901^2 + 40079^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 4300040042.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1075010009 + ... + 1075010012.

Almost surely, 2^4300040042 is an apocalyptic number.

4300040042 is a deficient number, since it is larger than the sum of its proper divisors (2150020024).

4300040042 is a wasteful number, since it uses less digits than its factorization.

4300040042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2150020023.

The product of its (nonzero) digits is 384, while the sum is 17.

The square root of 4300040042 is about 65574.6905596969. The cubic root of 4300040042 is about 1626.1383792318.

Adding to 4300040042 its reverse (2400400034), we get a palindrome (6700440076).

The spelling of 4300040042 in words is "four billion, three hundred million, forty thousand, forty-two".