728154015952 has 80 divisors (see below), whose sum is σ = 1542821074560. Its totient is φ = 330169817600.

The previous prime is 728154015949. The next prime is 728154015991. The reversal of 728154015952 is 259510451827.

It is a junction number, because it is equal to n+sod(n) for n = 728154015896 and 728154015905.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 145019202 + ... + 145024222.

It is an arithmetic number, because the mean of its divisors is an integer number (19285263432).

Almost surely, 2^728154015952 is an apocalyptic number.

It is an amenable number.

728154015952 is an abundant number, since it is smaller than the sum of its proper divisors (814667058608).

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

728154015952 is a wasteful number, since it uses less digits than its factorization.

728154015952 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6892 (or 6886 counting only the distinct ones).

The product of its (nonzero) digits is 1008000, while the sum is 49.

The spelling of 728154015952 in words is "seven hundred twenty-eight billion, one hundred fifty-four million, fifteen thousand, nine hundred fifty-two".