722444682528 has 96 divisors (see below), whose sum is σ = 2117117257920. Its totient is φ = 239673530880.

The previous prime is 722444682481. The next prime is 722444682577. The reversal of 722444682528 is 825286444227.

It is a happy number.

722444682528 is a `hidden beast` number, since 72 + 2 + 4 + 4 + 46 + 8 + 2 + 528 = 666.

It is a tau number, because it is divible by the number of its divisors (96).

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1799125 + ... + 2163732.

It is an arithmetic number, because the mean of its divisors is an integer number (22053304770).

Almost surely, 2^722444682528 is an apocalyptic number.

It is an amenable number.

722444682528 is an abundant number, since it is smaller than the sum of its proper divisors (1394672575392).

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

722444682528 is a wasteful number, since it uses less digits than its factorization.

722444682528 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3963087 (or 3963073 counting only the distinct ones).

The product of its digits is 13762560, while the sum is 54.

The spelling of 722444682528 in words is "seven hundred twenty-two billion, four hundred forty-four million, six hundred eighty-two thousand, five hundred twenty-eight".