381358511340 has 24 divisors (see below), whose sum is σ = 1067803831920. Its totient is φ = 101695603008.

The previous prime is 381358511311. The next prime is 381358511377. The reversal of 381358511340 is 43115853183.

381358511340 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 381358511292 and 381358511301.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3177987535 + ... + 3177987654.

It is an arithmetic number, because the mean of its divisors is an integer number (44491826330).

Almost surely, 2^381358511340 is an apocalyptic number.

381358511340 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

381358511340 is an abundant number, since it is smaller than the sum of its proper divisors (686445320580).

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

381358511340 is a wasteful number, since it uses less digits than its factorization.

381358511340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6355975201 (or 6355975199 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 42.

The spelling of 381358511340 in words is "three hundred eighty-one billion, three hundred fifty-eight million, five hundred eleven thousand, three hundred forty".