726022162120 has 32 divisors (see below), whose sum is σ = 1633778119800. Its totient is φ = 290368286208.

The previous prime is 726022162111. The next prime is 726022162141. The reversal of 726022162120 is 21261220627.

It can be written as a sum of positive squares in 4 ways, for example, as 691688295684 + 34333866436 = 831678^2 + 185294^2 .

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, 977415 + ... + 1551574.

Almost surely, 2^726022162120 is an apocalyptic number.

It is an amenable number.

726022162120 is an abundant number, since it is smaller than the sum of its proper divisors (907755957680).

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

726022162120 is a wasteful number, since it uses less digits than its factorization.

726022162120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2536177 (or 2536173 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 31.

Adding to 726022162120 its reverse (21261220627), we get a palindrome (747283382747).

The spelling of 726022162120 in words is "seven hundred twenty-six billion, twenty-two million, one hundred sixty-two thousand, one hundred twenty".