352243444056 has 128 divisors (see below), whose sum is σ = 1017834854400. Its totient is φ = 99504944640.

The previous prime is 352243444051. The next prime is 352243444057. The reversal of 352243444056 is 650444342253.

It is a happy number.

It is a super-2 number, since 2×352243444056² (a number of 24 digits) contains 22 as substring.

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 = 352243443999 and 352243444017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (352243444051) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 5227105 + ... + 5294063.

It is an arithmetic number, because the mean of its divisors is an integer number (7951834800).

Almost surely, 2^352243444056 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 352243444056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (508917427200).

352243444056 is an abundant number, since it is smaller than the sum of its proper divisors (665591410344).

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

352243444056 is a wasteful number, since it uses less digits than its factorization.

352243444056 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 67329 (or 67325 counting only the distinct ones).

The product of its (nonzero) digits is 1382400, while the sum is 42.

The spelling of 352243444056 in words is "three hundred fifty-two billion, two hundred forty-three million, four hundred forty-four thousand, fifty-six".