726354286405 has 16 divisors (see below), whose sum is σ = 974055595968. Its totient is φ = 515373328000.

The previous prime is 726354286403. The next prime is 726354286417. The reversal of 726354286405 is 504682453627.

726354286405 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 726354286405 - 2¹ = 726354286403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (726354286403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 161051911 + ... + 161056420.

It is an arithmetic number, because the mean of its divisors is an integer number (60878474748).

Almost surely, 2^726354286405 is an apocalyptic number.

It is an amenable number.

726354286405 is a deficient number, since it is larger than the sum of its proper divisors (247701309563).

726354286405 is a wasteful number, since it uses less digits than its factorization.

726354286405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322108388.

The product of its (nonzero) digits is 9676800, while the sum is 52.

The spelling of 726354286405 in words is "seven hundred twenty-six billion, three hundred fifty-four million, two hundred eighty-six thousand, four hundred five".