385780080 has 80 divisors (see below), whose sum is σ = 1366769664. Its totient is φ = 88177920.

The previous prime is 385780061. The next prime is 385780117. The reversal of 385780080 is 80087583.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 113136 + ... + 116495.

Almost surely, 2^385780080 is an apocalyptic number.

385780080 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

385780080 is an abundant number, since it is smaller than the sum of its proper divisors (980989584).

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

385780080 is a wasteful number, since it uses less digits than its factorization.

385780080 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 229654 (or 229648 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 39.

The square root of 385780080 is about 19641.2850903397. The cubic root of 385780080 is about 727.9696380688.

The spelling of 385780080 in words is "three hundred eighty-five million, seven hundred eighty thousand, eighty".