385455488 has 64 divisors (see below), whose sum is σ = 864829440. Its totient is φ = 169536000.

The previous prime is 385455481. The next prime is 385455503. The reversal of 385455488 is 884554583.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385455481) 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, 39233 + ... + 48063.

It is an arithmetic number, because the mean of its divisors is an integer number (13512960).

Almost surely, 2^385455488 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 385455488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (432414720).

385455488 is an abundant number, since it is smaller than the sum of its proper divisors (479373952).

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

385455488 is a wasteful number, since it uses less digits than its factorization.

385455488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8887 (or 8875 counting only the distinct ones).

The product of its digits is 3072000, while the sum is 50.

The square root of 385455488 is about 19633.0203483825. The cubic root of 385455488 is about 727.7654116751.

The spelling of 385455488 in words is "three hundred eighty-five million, four hundred fifty-five thousand, four hundred eighty-eight".