722828986306560 has 8736 divisors, whose sum is σ = 3536527602470400. Its totient is φ = 140910161559552.

The previous prime is 722828986306439. The next prime is 722828986306573. The reversal of 722828986306560 is 65603689828227.

722828986306560 is a `hidden beast` number, since 7 + 2 + 2 + 8 + 28 + 9 + 8 + 6 + 30 + 6 + 560 = 666.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 671 ways as a sum of consecutive naturals, for example, 31427347230709 + ... + 31427347230731.

Almost surely, 2^{722828986306560} is an apocalyptic number.

722828986306560 is a gapful number since it is divisible by the number (70) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 722828986306560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1768263801235200).

722828986306560 is an abundant number, since it is smaller than the sum of its proper divisors (2813698616163840).

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

722828986306560 is an equidigital number, since it uses as much as digits as its factorization.

722828986306560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 146 (or 76 counting only the distinct ones).

The product of its (nonzero) digits is 836075520, while the sum is 72.

The spelling of 722828986306560 in words is "seven hundred twenty-two trillion, eight hundred twenty-eight billion, nine hundred eighty-six million, three hundred six thousand, five hundred sixty".