378122280 has 64 divisors (see below), whose sum is σ = 1136427840. Its totient is φ = 100649472.

The previous prime is 378122273. The next prime is 378122291. The reversal of 378122280 is 82221873.

It is an unprimeable number.

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 15 ways as a sum of consecutive naturals, for example, 71487 + ... + 76593.

It is an arithmetic number, because the mean of its divisors is an integer number (17756685).

Almost surely, 2^378122280 is an apocalyptic number.

378122280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

378122280 is an abundant number, since it is smaller than the sum of its proper divisors (758305560).

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

378122280 is a wasteful number, since it uses less digits than its factorization.

378122280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5738 (or 5734 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 33.

The square root of 378122280 is about 19445.3665432154. The cubic root of 378122280 is about 723.1206370364.

The spelling of 378122280 in words is "three hundred seventy-eight million, one hundred twenty-two thousand, two hundred eighty".