380020256 has 48 divisors (see below), whose sum is σ = 932783040. Its totient is φ = 148058880.

The previous prime is 380020253. The next prime is 380020297. The reversal of 380020256 is 652020083.

It is not an unprimeable number, because it can be changed into a prime (380020253) 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, 74651 + ... + 79578.

It is an arithmetic number, because the mean of its divisors is an integer number (19432980).

Almost surely, 2^380020256 is an apocalyptic number.

It is an amenable number.

380020256 is an abundant number, since it is smaller than the sum of its proper divisors (552762784).

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

380020256 is a wasteful number, since it uses less digits than its factorization.

380020256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 154257 (or 154249 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 26.

The square root of 380020256 is about 19494.1082381318. The cubic root of 380020256 is about 724.3285140608.

The spelling of 380020256 in words is "three hundred eighty million, twenty thousand, two hundred fifty-six".