722109855744 has 192 divisors, whose sum is σ = 2142802771200. Its totient is φ = 240282427392.

The previous prime is 722109855673. The next prime is 722109855769. The reversal of 722109855744 is 447558901227.

722109855744 is a `hidden beast` number, since 72 + 2 + 10 + 9 + 8 + 557 + 4 + 4 = 666.

It is a tau number, because it is divible by the number of its divisors (192).

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 32447629 + ... + 32469875.

It is an arithmetic number, because the mean of its divisors is an integer number (11160431100).

Almost surely, 2^722109855744 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722109855744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1071401385600).

722109855744 is an abundant number, since it is smaller than the sum of its proper divisors (1420692915456).

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

722109855744 is a wasteful number, since it uses less digits than its factorization.

722109855744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22865 (or 22839 counting only the distinct ones).

The product of its (nonzero) digits is 5644800, while the sum is 54.

The spelling of 722109855744 in words is "seven hundred twenty-two billion, one hundred nine million, eight hundred fifty-five thousand, seven hundred forty-four".