381615582306 has 32 divisors (see below), whose sum is σ = 875739368448. Its totient is φ = 108598626000.

The previous prime is 381615582247. The next prime is 381615582329. The reversal of 381615582306 is 603285516183.

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 15 ways as a sum of consecutive naturals, for example, 18089230 + ... + 18110313.

It is an arithmetic number, because the mean of its divisors is an integer number (27366855264).

Almost surely, 2^381615582306 is an apocalyptic number.

381615582306 is an abundant number, since it is smaller than the sum of its proper divisors (494123786142).

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

381615582306 is a wasteful number, since it uses less digits than its factorization.

381615582306 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36199806.

The product of its (nonzero) digits is 1036800, while the sum is 48.

The spelling of 381615582306 in words is "three hundred eighty-one billion, six hundred fifteen million, five hundred eighty-two thousand, three hundred six".