4431239542 has 8 divisors (see below), whose sum is σ = 6649715376. Its totient is φ = 2214667752.

The previous prime is 4431239521. The next prime is 4431239543. The reversal of 4431239542 is 2459321344.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4431239543) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 470178 + ... + 479509.

It is an arithmetic number, because the mean of its divisors is an integer number (831214422).

Almost surely, 2^4431239542 is an apocalyptic number.

4431239542 is a deficient number, since it is larger than the sum of its proper divisors (2218475834).

4431239542 is a wasteful number, since it uses less digits than its factorization.

4431239542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 952022.

The product of its digits is 103680, while the sum is 37.

The square root of 4431239542 is about 66567.5562267386. The cubic root of 4431239542 is about 1642.5114631073.

The spelling of 4431239542 in words is "four billion, four hundred thirty-one million, two hundred thirty-nine thousand, five hundred forty-two".