772144711044 has 96 divisors (see below), whose sum is σ = 2067395398656. Its totient is φ = 219720159360.

The previous prime is 772144711027. The next prime is 772144711067. The reversal of 772144711044 is 440117441277.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 772144710987 and 772144711005.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 31169007 + ... + 31193769.

It is an arithmetic number, because the mean of its divisors is an integer number (21535368736).

Almost surely, 2^772144711044 is an apocalyptic number.

It is an amenable number.

772144711044 is an abundant number, since it is smaller than the sum of its proper divisors (1295250687612).

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

772144711044 is a wasteful number, since it uses less digits than its factorization.

772144711044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26265 (or 26263 counting only the distinct ones).

The product of its (nonzero) digits is 175616, while the sum is 42.

The spelling of 772144711044 in words is "seven hundred seventy-two billion, one hundred forty-four million, seven hundred eleven thousand, forty-four".