728854057460 has 24 divisors (see below), whose sum is σ = 1530612316296. Its totient is φ = 291538042880.

The previous prime is 728854057409. The next prime is 728854057489. The reversal of 728854057460 is 64750458827.

728854057460 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 57549131236 + 671304926224 = 239894^2 + 819332^2 .

It is a junction number, because it is equal to n+sod(n) for n = 728854057396 and 728854057405.

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, 1970420 + ... + 2310900.

It is an arithmetic number, because the mean of its divisors is an integer number (63775513179).

Almost surely, 2^728854057460 is an apocalyptic number.

It is an amenable number.

728854057460 is an abundant number, since it is smaller than the sum of its proper divisors (801758258836).

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

728854057460 is a wasteful number, since it uses less digits than its factorization.

728854057460 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 447523 (or 447521 counting only the distinct ones).

The product of its (nonzero) digits is 15052800, while the sum is 56.

The spelling of 728854057460 in words is "seven hundred twenty-eight billion, eight hundred fifty-four million, fifty-seven thousand, four hundred sixty".