722665949544000 has 8064 divisors, whose sum is σ = 3594456481075200. Its totient is φ = 135338480640000.

The previous prime is 722665949543953. The next prime is 722665949544041. The reversal of 722665949544000 is 445949566227.

722665949544000 is a `hidden beast` number, since 7 + 2 + 26 + 65 + 9 + 4 + 9 + 544 + 0 + 0 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 1151 ways as a sum of consecutive naturals, for example, 12248575415971 + ... + 12248575416029.

Almost surely, 2^{722665949544000} is an apocalyptic number.

722665949544000 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 722665949544000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1797228240537600).

722665949544000 is an abundant number, since it is smaller than the sum of its proper divisors (2871790531531200).

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

722665949544000 is a wasteful number, since it uses less digits than its factorization.

722665949544000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 213 (or 137 counting only the distinct ones).

The product of its (nonzero) digits is 130636800, while the sum is 63.

The spelling of 722665949544000 in words is "seven hundred twenty-two trillion, six hundred sixty-five billion, nine hundred forty-nine million, five hundred forty-four thousand".