726271220441154 has 64 divisors (see below), whose sum is σ = 1579406833463040. Its totient is φ = 221947776906240.

The previous prime is 726271220441089. The next prime is 726271220441159. The reversal of 726271220441154 is 451144022172627.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (726271220441159) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 661776787 + ... + 662873334.

It is an arithmetic number, because the mean of its divisors is an integer number (24678231772860).

Almost surely, 2^{726271220441154} is an apocalyptic number.

726271220441154 is an abundant number, since it is smaller than the sum of its proper divisors (853135613021886).

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

726271220441154 is a wasteful number, since it uses less digits than its factorization.

726271220441154 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1324650315.

The product of its (nonzero) digits is 1505280, while the sum is 48.

The spelling of 726271220441154 in words is "seven hundred twenty-six trillion, two hundred seventy-one billion, two hundred twenty million, four hundred forty-one thousand, one hundred fifty-four".