4442942918 has 4 divisors (see below), whose sum is σ = 6664414380. Its totient is φ = 2221471458.

The previous prime is 4442942899. The next prime is 4442942921. The reversal of 4442942918 is 8192492444.

It is a semiprime because it is the product of two primes.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1110735728 + ... + 1110735731.

It is an arithmetic number, because the mean of its divisors is an integer number (1666103595).

Almost surely, 2^4442942918 is an apocalyptic number.

4442942918 is a deficient number, since it is larger than the sum of its proper divisors (2221471462).

4442942918 is a wasteful number, since it uses less digits than its factorization.

4442942918 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2221471461.

The product of its digits is 663552, while the sum is 47.

The square root of 4442942918 is about 66655.4042670210. The cubic root of 4442942918 is about 1643.9562078997.

The spelling of 4442942918 in words is "four billion, four hundred forty-two million, nine hundred forty-two thousand, nine hundred eighteen".