383707272242 has 42 divisors (see below), whose sum is σ = 672013154397. Its totient is φ = 164317198584.

The previous prime is 383707272197. The next prime is 383707272253. The reversal of 383707272242 is 242272707383.

It can be written as a sum of positive squares in 2 ways, for example, as 374016641761 + 9690630481 = 611569^2 + 98441^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=438011.

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 20 ways as a sum of consecutive naturals, for example, 300474908 + ... + 300476184.

Almost surely, 2^383707272242 is an apocalyptic number.

383707272242 is a deficient number, since it is larger than the sum of its proper divisors (288305882155).

383707272242 is an frugal number, since it uses more digits than its factorization.

383707272242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2598 (or 1286 counting only the distinct ones).

The product of its (nonzero) digits is 1580544, while the sum is 47.

The spelling of 383707272242 in words is "three hundred eighty-three billion, seven hundred seven million, two hundred seventy-two thousand, two hundred forty-two".