395055880 has 32 divisors (see below), whose sum is σ = 894029400. Its totient is φ = 157106176.

The previous prime is 395055851. The next prime is 395055883. The reversal of 395055880 is 88550593.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 368409636 + 26646244 = 19194^2 + 5162^2 .

It is not an unprimeable number, because it can be changed into a prime (395055883) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21625 + ... + 35464.

Almost surely, 2^395055880 is an apocalyptic number.

It is an amenable number.

395055880 is an abundant number, since it is smaller than the sum of its proper divisors (498973520).

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

395055880 is a wasteful number, since it uses less digits than its factorization.

395055880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 57273 (or 57269 counting only the distinct ones).

The product of its (nonzero) digits is 216000, while the sum is 43.

The square root of 395055880 is about 19876.0126786033. The cubic root of 395055880 is about 733.7579900398.

The spelling of 395055880 in words is "three hundred ninety-five million, fifty-five thousand, eight hundred eighty".