385118720 has 80 divisors (see below), whose sum is σ = 1055343168. Its totient is φ = 132034560.

The previous prime is 385118717. The next prime is 385118729. The reversal of 385118720 is 27811583.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (35).

It is not an unprimeable number, because it can be changed into a prime (385118729) 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, 7175 + ... + 28665.

Almost surely, 2^385118720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 385118720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (527671584).

385118720 is an abundant number, since it is smaller than the sum of its proper divisors (670224448).

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

385118720 is an equidigital number, since it uses as much as digits as its factorization.

385118720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21521 (or 21505 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 35.

The square root of 385118720 is about 19624.4419028924. The cubic root of 385118720 is about 727.5534031801.

The spelling of 385118720 in words is "three hundred eighty-five million, one hundred eighteen thousand, seven hundred twenty".