381838220200 has 48 divisors (see below), whose sum is σ = 888453715680. Its totient is φ = 152618324160.

The previous prime is 381838220177. The next prime is 381838220293. The reversal of 381838220200 is 2022838183.

It is a self number, because there is not a number n which added to its sum of digits gives 381838220200.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 468972 + ... + 991771.

It is an arithmetic number, because the mean of its divisors is an integer number (18509452410).

Almost surely, 2^381838220200 is an apocalyptic number.

It is an amenable number.

381838220200 is an abundant number, since it is smaller than the sum of its proper divisors (506615495480).

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

381838220200 is a wasteful number, since it uses less digits than its factorization.

381838220200 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1462066 (or 1462057 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 37.

The spelling of 381838220200 in words is "three hundred eighty-one billion, eight hundred thirty-eight million, two hundred twenty thousand, two hundred".