726262515251056 has 160 divisors (see below), whose sum is σ = 1688635870387200. Its totient is φ = 295853349242880.

The previous prime is 726262515250997. The next prime is 726262515251081. The reversal of 726262515251056 is 650152515262627.

It is a junction number, because it is equal to n+sod(n) for n = 726262515250988 and 726262515251006.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 306158455 + ... + 308521513.

It is an arithmetic number, because the mean of its divisors is an integer number (10553974189920).

Almost surely, 2^{726262515251056} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 726262515251056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (844317935193600).

726262515251056 is an abundant number, since it is smaller than the sum of its proper divisors (962373355136144).

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

726262515251056 is a wasteful number, since it uses less digits than its factorization.

726262515251056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2363847 (or 2363841 counting only the distinct ones).

The product of its (nonzero) digits is 15120000, while the sum is 55.

The spelling of 726262515251056 in words is "seven hundred twenty-six trillion, two hundred sixty-two billion, five hundred fifteen million, two hundred fifty-one thousand, fifty-six".