728486415492 has 48 divisors (see below), whose sum is σ = 1856838547200. Its totient is φ = 220454710560.

The previous prime is 728486415451. The next prime is 728486415497. The reversal of 728486415492 is 294514684827.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (728486415497) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3636442 + ... + 3831537.

It is an arithmetic number, because the mean of its divisors is an integer number (38684136400).

Almost surely, 2^728486415492 is an apocalyptic number.

It is an amenable number.

728486415492 is an abundant number, since it is smaller than the sum of its proper divisors (1128352131708).

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

728486415492 is a wasteful number, since it uses less digits than its factorization.

728486415492 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7468736 (or 7468734 counting only the distinct ones).

The product of its digits is 30965760, while the sum is 60.

The spelling of 728486415492 in words is "seven hundred twenty-eight billion, four hundred eighty-six million, four hundred fifteen thousand, four hundred ninety-two".