4023474842 has 4 divisors (see below), whose sum is σ = 6035212266. Its totient is φ = 2011737420.

The previous prime is 4023474839. The next prime is 4023474857. The reversal of 4023474842 is 2484743204.

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., 2409926281 + 1613548561 = 49091^2 + 40169^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4023474796 and 4023474805.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1005868709 + ... + 1005868712.

Almost surely, 2^4023474842 is an apocalyptic number.

4023474842 is a deficient number, since it is larger than the sum of its proper divisors (2011737424).

4023474842 is a wasteful number, since it uses less digits than its factorization.

4023474842 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2011737423.

The product of its (nonzero) digits is 172032, while the sum is 38.

The square root of 4023474842 is about 63430.8666344706. The cubic root of 4023474842 is about 1590.5003293387.

The spelling of 4023474842 in words is "four billion, twenty-three million, four hundred seventy-four thousand, eight hundred forty-two".