381275520546 has 16 divisors (see below), whose sum is σ = 778775531904. Its totient is φ = 124387758384.

The previous prime is 381275520523. The next prime is 381275520551. The reversal of 381275520546 is 645025572183.

It is a junction number, because it is equal to n+sod(n) for n = 381275520495 and 381275520504.

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 7 ways as a sum of consecutive naturals, for example, 676020145 + ... + 676020708.

It is an arithmetic number, because the mean of its divisors is an integer number (48673470744).

Almost surely, 2^381275520546 is an apocalyptic number.

381275520546 is an abundant number, since it is smaller than the sum of its proper divisors (397500011358).

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

381275520546 is a wasteful number, since it uses less digits than its factorization.

381275520546 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1352040905.

The product of its (nonzero) digits is 2016000, while the sum is 48.

The spelling of 381275520546 in words is "three hundred eighty-one billion, two hundred seventy-five million, five hundred twenty thousand, five hundred forty-six".