352251820428 has 24 divisors (see below), whose sum is σ = 822504290160. Its totient is φ = 117333934080.

The previous prime is 352251820409. The next prime is 352251820441. The reversal of 352251820428 is 824028152253.

It is a self number, because there is not a number n which added to its sum of digits gives 352251820428.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10399813 + ... + 10433628.

It is an arithmetic number, because the mean of its divisors is an integer number (34271012090).

Almost surely, 2^352251820428 is an apocalyptic number.

It is an amenable number.

352251820428 is an abundant number, since it is smaller than the sum of its proper divisors (470252469732).

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

352251820428 is a wasteful number, since it uses less digits than its factorization.

352251820428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20834857 (or 20834855 counting only the distinct ones).

The product of its (nonzero) digits is 307200, while the sum is 42.

The spelling of 352251820428 in words is "three hundred fifty-two billion, two hundred fifty-one million, eight hundred twenty thousand, four hundred twenty-eight".