383744147820 has 48 divisors (see below), whose sum is σ = 1172163944448. Its totient is φ = 93028884160.

The previous prime is 383744147803. The next prime is 383744147869. The reversal of 383744147820 is 28741447383.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 290714604 + ... + 290715923.

It is an arithmetic number, because the mean of its divisors is an integer number (24420082176).

Almost surely, 2^383744147820 is an apocalyptic number.

383744147820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

383744147820 is an abundant number, since it is smaller than the sum of its proper divisors (788419796628).

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

383744147820 is a wasteful number, since it uses less digits than its factorization.

383744147820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 581430550 (or 581430548 counting only the distinct ones).

The product of its (nonzero) digits is 3612672, while the sum is 51.

The spelling of 383744147820 in words is "three hundred eighty-three billion, seven hundred forty-four million, one hundred forty-seven thousand, eight hundred twenty".