4205243434 has 32 divisors (see below), whose sum is σ = 7455052800. Its totient is φ = 1740942720.

The previous prime is 4205243429. The next prime is 4205243459. The reversal of 4205243434 is 4343425024.

It is a super-2 number, since 2×4205243434² = 35368144678400224712, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a junction number, because it is equal to n+sod(n) for n = 4205243396 and 4205243405.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 238432 + ... + 255460.

It is an arithmetic number, because the mean of its divisors is an integer number (232970400).

Almost surely, 2^4205243434 is an apocalyptic number.

4205243434 is a deficient number, since it is larger than the sum of its proper divisors (3249809366).

4205243434 is a wasteful number, since it uses less digits than its factorization.

4205243434 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17638.

The product of its (nonzero) digits is 46080, while the sum is 31.

The square root of 4205243434 is about 64847.8483374738. The cubic root of 4205243434 is about 1614.0997879695.

Adding to 4205243434 its reverse (4343425024), we get a palindrome (8548668458).

The spelling of 4205243434 in words is "four billion, two hundred five million, two hundred forty-three thousand, four hundred thirty-four".