352831920722 has 54 divisors (see below), whose sum is σ = 581662109871. Its totient is φ = 160480859520.

The previous prime is 352831920677. The next prime is 352831920733. The reversal of 352831920722 is 227029138253.

It can be written as a sum of positive squares in 5 ways, for example, as 270232585921 + 82599334801 = 519839^2 + 287401^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=420019.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 442699628 + ... + 442700424.

Almost surely, 2^352831920722 is an apocalyptic number.

352831920722 is a deficient number, since it is larger than the sum of its proper divisors (228830189149).

352831920722 is an frugal number, since it uses more digits than its factorization.

352831920722 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1692 (or 847 counting only the distinct ones).

The product of its (nonzero) digits is 362880, while the sum is 44.

The spelling of 352831920722 in words is "three hundred fifty-two billion, eight hundred thirty-one million, nine hundred twenty thousand, seven hundred twenty-two".