720442512142 has 8 divisors (see below), whose sum is σ = 1083007942632. Its totient is φ = 359439864600.

The previous prime is 720442512113. The next prime is 720442512187. The reversal of 720442512142 is 241215244027.

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

It is a junction number, because it is equal to n+sod(n) for n = 720442512098 and 720442512107.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 390694584 + ... + 390696427.

It is an arithmetic number, because the mean of its divisors is an integer number (135375992829).

Almost surely, 2^720442512142 is an apocalyptic number.

720442512142 is a deficient number, since it is larger than the sum of its proper divisors (362565430490).

720442512142 is a wasteful number, since it uses less digits than its factorization.

720442512142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 781391474.

The product of its (nonzero) digits is 35840, while the sum is 34.

Adding to 720442512142 its reverse (241215244027), we get a palindrome (961657756169).

The spelling of 720442512142 in words is "seven hundred twenty billion, four hundred forty-two million, five hundred twelve thousand, one hundred forty-two".