727228468542 has 16 divisors (see below), whose sum is σ = 1454488624512. Its totient is φ = 242404208280.

The previous prime is 727228468537. The next prime is 727228468543. The reversal of 727228468542 is 245864822727.

727228468542 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×727228468542² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (727228468543) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1016584 + ... + 1577307.

It is an arithmetic number, because the mean of its divisors is an integer number (90905539032).

Almost surely, 2^727228468542 is an apocalyptic number.

727228468542 is an abundant number, since it is smaller than the sum of its proper divisors (727260155970).

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

727228468542 is a wasteful number, since it uses less digits than its factorization.

727228468542 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2640623.

The product of its digits is 24084480, while the sum is 57.

The spelling of 727228468542 in words is "seven hundred twenty-seven billion, two hundred twenty-eight million, four hundred sixty-eight thousand, five hundred forty-two".