381923055330 has 16 divisors (see below), whose sum is σ = 916615332864. Its totient is φ = 101846148080.

The previous prime is 381923055323. The next prime is 381923055331. The reversal of 381923055330 is 33550329183.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (381923055331) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6365384226 + ... + 6365384285.

It is an arithmetic number, because the mean of its divisors is an integer number (57288458304).

Almost surely, 2^381923055330 is an apocalyptic number.

381923055330 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

381923055330 is an abundant number, since it is smaller than the sum of its proper divisors (534692277534).

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

381923055330 is a wasteful number, since it uses less digits than its factorization.

381923055330 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12730768521.

The product of its (nonzero) digits is 291600, while the sum is 42.

The spelling of 381923055330 in words is "three hundred eighty-one billion, nine hundred twenty-three million, fifty-five thousand, three hundred thirty".