381083258268520 has 64 divisors (see below), whose sum is σ = 904418930044800. Its totient is φ = 144113966933760.

The previous prime is 381083258268487. The next prime is 381083258268521. The reversal of 381083258268520 is 25862852380183.

It is not an unprimeable number, because it can be changed into a prime (381083258268521) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 514440291 + ... + 515180530.

It is an arithmetic number, because the mean of its divisors is an integer number (14131545781950).

Almost surely, 2^{381083258268520} is an apocalyptic number.

It is an amenable number.

381083258268520 is an abundant number, since it is smaller than the sum of its proper divisors (523335671776280).

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

381083258268520 is a wasteful number, since it uses less digits than its factorization.

381083258268520 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1029621338 (or 1029621334 counting only the distinct ones).

The product of its (nonzero) digits is 44236800, while the sum is 61.

The spelling of 381083258268520 in words is "three hundred eighty-one trillion, eighty-three billion, two hundred fifty-eight million, two hundred sixty-eight thousand, five hundred twenty".