383448801820 has 24 divisors (see below), whose sum is σ = 920277124704. Its totient is φ = 131468160576.

The previous prime is 383448801793. The next prime is 383448801821. The reversal of 383448801820 is 28108844383.

It is a hoax number, since the sum of its digits (49) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (383448801821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1369459867 + ... + 1369460146.

It is an arithmetic number, because the mean of its divisors is an integer number (38344880196).

Almost surely, 2^383448801820 is an apocalyptic number.

It is an amenable number.

383448801820 is an abundant number, since it is smaller than the sum of its proper divisors (536828322884).

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

383448801820 is a wasteful number, since it uses less digits than its factorization.

383448801820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2738920029 (or 2738920027 counting only the distinct ones).

The product of its (nonzero) digits is 1179648, while the sum is 49.

The spelling of 383448801820 in words is "three hundred eighty-three billion, four hundred forty-eight million, eight hundred one thousand, eight hundred twenty".