381340055845 has 48 divisors (see below), whose sum is σ = 554847971328. Its totient is φ = 246429112320.

The previous prime is 381340055839. The next prime is 381340055851. The reversal of 381340055845 is 548550043183.

It is an interprime number because it is at equal distance from previous prime (381340055839) and next prime (381340055851).

It is not a de Polignac number, because 381340055845 - 2³¹ = 379192572197 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 381340055795 and 381340055804.

It is a congruent 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 47 ways as a sum of consecutive naturals, for example, 2334277 + ... + 2492293.

It is an arithmetic number, because the mean of its divisors is an integer number (11559332736).

Almost surely, 2^381340055845 is an apocalyptic number.

381340055845 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

381340055845 is a deficient number, since it is larger than the sum of its proper divisors (173507915483).

381340055845 is a wasteful number, since it uses less digits than its factorization.

381340055845 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 158258 (or 158239 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 46.

The spelling of 381340055845 in words is "three hundred eighty-one billion, three hundred forty million, fifty-five thousand, eight hundred forty-five".