728563023580 has 24 divisors (see below), whose sum is σ = 1748551256928. Its totient is φ = 249793036608.

The previous prime is 728563023533. The next prime is 728563023631. The reversal of 728563023580 is 85320365827.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2602010659 + ... + 2602010938.

It is an arithmetic number, because the mean of its divisors is an integer number (72856302372).

Almost surely, 2^728563023580 is an apocalyptic number.

728563023580 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

728563023580 is an abundant number, since it is smaller than the sum of its proper divisors (1019988233348).

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

728563023580 is a wasteful number, since it uses less digits than its factorization.

728563023580 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5204021613 (or 5204021611 counting only the distinct ones).

The product of its (nonzero) digits is 2419200, while the sum is 49.

The spelling of 728563023580 in words is "seven hundred twenty-eight billion, five hundred sixty-three million, twenty-three thousand, five hundred eighty".