228940080 has 40 divisors (see below), whose sum is σ = 709714992. Its totient is φ = 61050624.

The previous prime is 228940027. The next prime is 228940087. The reversal of 228940080 is 80049822.

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

It is not an unprimeable number, because it can be changed into a prime (228940087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 476719 + ... + 477198.

Almost surely, 2^228940080 is an apocalyptic number.

228940080 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228940080 is an abundant number, since it is smaller than the sum of its proper divisors (480774912).

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

228940080 is a wasteful number, since it uses less digits than its factorization.

228940080 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 953933 (or 953927 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 228940080 is about 15130.7660083685. The cubic root of 228940080 is about 611.7499512482.

The spelling of 228940080 in words is "two hundred twenty-eight million, nine hundred forty thousand, eighty".