385032880 has 40 divisors (see below), whose sum is σ = 934127712. Its totient is φ = 147316224.

The previous prime is 385032859. The next prime is 385032887. The reversal of 385032880 is 88230583.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a hoax number, since the sum of its digits (37) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (385032887) 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, 102789 + ... + 106468.

Almost surely, 2^385032880 is an apocalyptic number.

It is an amenable number.

385032880 is an abundant number, since it is smaller than the sum of its proper divisors (549094832).

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

385032880 is a wasteful number, since it uses less digits than its factorization.

385032880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 209293 (or 209287 counting only the distinct ones).

The product of its (nonzero) digits is 46080, while the sum is 37.

The square root of 385032880 is about 19622.2547124432. The cubic root of 385032880 is about 727.4993438113.

The spelling of 385032880 in words is "three hundred eighty-five million, thirty-two thousand, eight hundred eighty".