3218008355552 has 96 divisors (see below), whose sum is σ = 6711132312864. Its totient is φ = 1517152665600.

The previous prime is 3218008355539. The next prime is 3218008355629. The reversal of 3218008355552 is 2555538008123.

It is a junction number, because it is equal to n+sod(n) for n = 3218008355497 and 3218008355506.

It is a congruent number.

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, 4313552 + ... + 5004272.

It is an arithmetic number, because the mean of its divisors is an integer number (69907628259).

Almost surely, 2^{3218008355552} is an apocalyptic number.

3218008355552 is a gapful number since it is divisible by the number (32) 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 3218008355552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3355566156432).

3218008355552 is an abundant number, since it is smaller than the sum of its proper divisors (3493123957312).

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

3218008355552 is a wasteful number, since it uses less digits than its factorization.

3218008355552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 690892 (or 690884 counting only the distinct ones).

The product of its (nonzero) digits is 1440000, while the sum is 47.

The spelling of 3218008355552 in words is "three trillion, two hundred eighteen billion, eight million, three hundred fifty-five thousand, five hundred fifty-two".