728214481542 has 8 divisors (see below), whose sum is σ = 1456428963096. Its totient is φ = 242738160512.

The previous prime is 728214481517. The next prime is 728214481549. The reversal of 728214481542 is 245184412827.

728214481542 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

728214481542 is an admirable number.

It is a super-2 number, since 2×728214481542² (a number of 25 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 728214481491 and 728214481500.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (728214481549) 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, 60684540123 + ... + 60684540134.

It is an arithmetic number, because the mean of its divisors is an integer number (182053620387).

Almost surely, 2^728214481542 is an apocalyptic number.

728214481542 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

728214481542 is a wasteful number, since it uses less digits than its factorization.

728214481542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 121369080262.

The product of its digits is 1146880, while the sum is 48.

The spelling of 728214481542 in words is "seven hundred twenty-eight billion, two hundred fourteen million, four hundred eighty-one thousand, five hundred forty-two".