726834221048 has 64 divisors (see below), whose sum is σ = 1507906501920. Its totient is φ = 326308147200.

The previous prime is 726834221023. The next prime is 726834221051. The reversal of 726834221048 is 840122438627.

It is a super-3 number, since 3×726834221048³ (a number of 37 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 726834220993 and 726834221011.

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, 1184063 + ... + 1689873.

Almost surely, 2^726834221048 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 726834221048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (753953250960).

726834221048 is an abundant number, since it is smaller than the sum of its proper divisors (781072280872).

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

726834221048 is a wasteful number, since it uses less digits than its factorization.

726834221048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 506208 (or 506204 counting only the distinct ones).

The product of its (nonzero) digits is 1032192, while the sum is 47.

The spelling of 726834221048 in words is "seven hundred twenty-six billion, eight hundred thirty-four million, two hundred twenty-one thousand, forty-eight".