382720841321 has 64 divisors (see below), whose sum is σ = 495476244480. Its totient is φ = 287510446080.

The previous prime is 382720841267. The next prime is 382720841473. The reversal of 382720841321 is 123148027283.

It is not a de Polignac number, because 382720841321 - 2²⁶ = 382653732457 is a prime.

It is a super-2 number, since 2×382720841321² (a number of 24 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (382720891321) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 48570860 + ... + 48578738.

It is an arithmetic number, because the mean of its divisors is an integer number (7741816320).

Almost surely, 2^382720841321 is an apocalyptic number.

382720841321 is a gapful number since it is divisible by the number (31) formed by its first and last digit.

It is an amenable number.

382720841321 is a deficient number, since it is larger than the sum of its proper divisors (112755403159).

382720841321 is a wasteful number, since it uses less digits than its factorization.

382720841321 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8254.

The product of its (nonzero) digits is 129024, while the sum is 41.

The spelling of 382720841321 in words is "three hundred eighty-two billion, seven hundred twenty million, eight hundred forty-one thousand, three hundred twenty-one".