381450218756 has 12 divisors (see below), whose sum is σ = 667704006480. Its totient is φ = 190677645480.

The previous prime is 381450218741. The next prime is 381450218759. The reversal of 381450218756 is 657812054183.

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (381450218759) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11847890 + ... + 11880041.

It is an arithmetic number, because the mean of its divisors is an integer number (55642000540).

Almost surely, 2^381450218756 is an apocalyptic number.

It is an amenable number.

381450218756 is a deficient number, since it is larger than the sum of its proper divisors (286253787724).

381450218756 is a wasteful number, since it uses less digits than its factorization.

381450218756 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23731954 (or 23731952 counting only the distinct ones).

The product of its (nonzero) digits is 1612800, while the sum is 50.

The spelling of 381450218756 in words is "three hundred eighty-one billion, four hundred fifty million, two hundred eighteen thousand, seven hundred fifty-six".