382506645842 has 8 divisors (see below), whose sum is σ = 576265471500. Its totient is φ = 190418155344.

The previous prime is 382506645841. The next prime is 382506645887. The reversal of 382506645842 is 248546605283.

It can be written as a sum of positive squares in 2 ways, for example, as 278183459761 + 104323186081 = 527431^2 + 322991^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a super-2 number, since 2×382506645842² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (382506645841) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 417583217 + ... + 417584132.

Almost surely, 2^382506645842 is an apocalyptic number.

382506645842 is a deficient number, since it is larger than the sum of its proper divisors (193758825658).

382506645842 is a wasteful number, since it uses less digits than its factorization.

382506645842 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 835167580.

The product of its (nonzero) digits is 11059200, while the sum is 53.

The spelling of 382506645842 in words is "three hundred eighty-two billion, five hundred six million, six hundred forty-five thousand, eight hundred forty-two".