718471773552 has 160 divisors (see below), whose sum is σ = 2006746560000. Its totient is φ = 220193842176.

The previous prime is 718471773541. The next prime is 718471773553. The reversal of 718471773552 is 255377174817.

It is a junction number, because it is equal to n+sod(n) for n = 718471773492 and 718471773501.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (718471773553) 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 31 ways as a sum of consecutive naturals, for example, 239568949 + ... + 239571947.

It is an arithmetic number, because the mean of its divisors is an integer number (12542166000).

Almost surely, 2^718471773552 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 718471773552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1003373280000).

718471773552 is an abundant number, since it is smaller than the sum of its proper divisors (1288274786448).

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

718471773552 is a wasteful number, since it uses less digits than its factorization.

718471773552 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4415 (or 4409 counting only the distinct ones).

The product of its digits is 11524800, while the sum is 57.

The spelling of 718471773552 in words is "seven hundred eighteen billion, four hundred seventy-one million, seven hundred seventy-three thousand, five hundred fifty-two".