1430444042 has 4 divisors (see below), whose sum is σ = 2145666066. Its totient is φ = 715222020.

The previous prime is 1430444033. The next prime is 1430444047. The reversal of 1430444042 is 2404440341.

It is a happy number.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2404440341 = 4327 ⋅555683.

It can be written as a sum of positive squares in only one way, i.e., 1430276761 + 167281 = 37819^2 + 409^2 .

It is not an unprimeable number, because it can be changed into a prime (1430444047) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 357611009 + ... + 357611012.

Almost surely, 2^1430444042 is an apocalyptic number.

1430444042 is a deficient number, since it is larger than the sum of its proper divisors (715222024).

1430444042 is an equidigital number, since it uses as much as digits as its factorization.

1430444042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 715222023.

The product of its (nonzero) digits is 6144, while the sum is 26.

The square root of 1430444042 is about 37821.2115353276. The cubic root of 1430444042 is about 1126.7397718554.

Adding to 1430444042 its reverse (2404440341), we get a palindrome (3834884383).

The spelling of 1430444042 in words is "one billion, four hundred thirty million, four hundred forty-four thousand, forty-two".