4284660442 has 4 divisors (see below), whose sum is σ = 6426990666. Its totient is φ = 2142330220.

The previous prime is 4284660439. The next prime is 4284660451. The reversal of 4284660442 is 2440664824.

It is a happy number.

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., 3628737121 + 655923321 = 60239^2 + 25611^2 .

It is a junction number, because it is equal to n+sod(n) for n = 4284660395 and 4284660404.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1071165109 + ... + 1071165112.

Almost surely, 2^4284660442 is an apocalyptic number.

4284660442 is a deficient number, since it is larger than the sum of its proper divisors (2142330224).

4284660442 is a wasteful number, since it uses less digits than its factorization.

4284660442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2142330223.

The product of its (nonzero) digits is 294912, while the sum is 40.

The square root of 4284660442 is about 65457.3177116203. The cubic root of 4284660442 is about 1624.1973714532.

The spelling of 4284660442 in words is "four billion, two hundred eighty-four million, six hundred sixty thousand, four hundred forty-two".