722990998800 has 1680 divisors, whose sum is σ = 3125506704768. Its totient is φ = 157212057600.

The previous prime is 722990998781. The next prime is 722990998801. The reversal of 722990998800 is 8899099227.

It is a tau number, because it is divible by the number of its divisors (1680).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is not an unprimeable number, because it can be changed into a prime (722990998801) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 335 ways as a sum of consecutive naturals, for example, 4435527519 + ... + 4435527681.

Almost surely, 2^722990998800 is an apocalyptic number.

722990998800 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 722990998800, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1562753352384).

722990998800 is an abundant number, since it is smaller than the sum of its proper divisors (2402515705968).

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

722990998800 is a wasteful number, since it uses less digits than its factorization.

722990998800 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 300 (or 274 counting only the distinct ones).

The product of its (nonzero) digits is 11757312, while the sum is 63.

The spelling of 722990998800 in words is "seven hundred twenty-two billion, nine hundred ninety million, nine hundred ninety-eight thousand, eight hundred".