381262838855 has 8 divisors (see below), whose sum is σ = 484428077712. Its totient is φ = 287068490368.

The previous prime is 381262838791. The next prime is 381262838863. The reversal of 381262838855 is 558838262183.

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

It is a cyclic number.

It is not a de Polignac number, because 381262838855 - 2⁶ = 381262838791 is a prime.

It is a super-2 number, since 2×381262838855² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 381262838794 and 381262838803.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2242722497 + ... + 2242722666.

It is an arithmetic number, because the mean of its divisors is an integer number (60553509714).

Almost surely, 2^381262838855 is an apocalyptic number.

381262838855 is a deficient number, since it is larger than the sum of its proper divisors (103165238857).

381262838855 is a wasteful number, since it uses less digits than its factorization.

381262838855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4485445185.

The product of its digits is 22118400, while the sum is 59.

The spelling of 381262838855 in words is "three hundred eighty-one billion, two hundred sixty-two million, eight hundred thirty-eight thousand, eight hundred fifty-five".