726879272241824 has 72 divisors (see below), whose sum is σ = 1552565825082972. Its totient is φ = 334838818928640.

The previous prime is 726879272241769. The next prime is 726879272241847. The reversal of 726879272241824 is 428142272978627.

It can be written as a sum of positive squares in 6 ways, for example, as 207455972702224 + 519423299539600 = 14403332^2 + 22790860^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 126172979 + ... + 131808114.

Almost surely, 2^{726879272241824} is an apocalyptic number.

It is an amenable number.

726879272241824 is an abundant number, since it is smaller than the sum of its proper divisors (825686552841148).

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

726879272241824 is a wasteful number, since it uses less digits than its factorization.

726879272241824 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 257981650 (or 257981629 counting only the distinct ones).

The product of its digits is 606928896, while the sum is 71.

The spelling of 726879272241824 in words is "seven hundred twenty-six trillion, eight hundred seventy-nine billion, two hundred seventy-two million, two hundred forty-one thousand, eight hundred twenty-four".