726216404612628 has 24 divisors (see below), whose sum is σ = 1694697086869920. Its totient is φ = 242044685903200.

The previous prime is 726216404612597. The next prime is 726216404612683. The reversal of 726216404612628 is 826216404612627.

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, 3431010723 + ... + 3431222378.

It is an arithmetic number, because the mean of its divisors is an integer number (70612378619580).

Almost surely, 2^{726216404612628} is an apocalyptic number.

It is an amenable number.

726216404612628 is an abundant number, since it is smaller than the sum of its proper divisors (968480682257292).

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

726216404612628 is a wasteful number, since it uses less digits than its factorization.

726216404612628 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6862241927 (or 6862241925 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 57.

Subtracting 726216404612628 from its reverse (826216404612627), we obtain a palindrome (99999999999999).

The spelling of 726216404612628 in words is "seven hundred twenty-six trillion, two hundred sixteen billion, four hundred four million, six hundred twelve thousand, six hundred twenty-eight".