352222040000 has 140 divisors (see below), whose sum is σ = 877804950000. Its totient is φ = 140177664000.

The previous prime is 352222039987. The next prime is 352222040017. The reversal of 352222040000 is 40222253.

It is a Harshad number since it is a multiple of its sum of digits (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 7937876 + ... + 7982124.

Almost surely, 2^352222040000 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 352222040000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (438902475000).

352222040000 is an abundant number, since it is smaller than the sum of its proper divisors (525582910000).

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

352222040000 is an equidigital number, since it uses as much as digits as its factorization.

352222040000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44480 (or 44455 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 20.

Adding to 352222040000 its reverse (40222253), we get a palindrome (352262262253).

The spelling of 352222040000 in words is "three hundred fifty-two billion, two hundred twenty-two million, forty thousand".