228996480 has 128 divisors (see below), whose sum is σ = 747986400. Its totient is φ = 59555840.

The previous prime is 228996479. The next prime is 228996491. The reversal of 228996480 is 84699822.

It is a tau number, because it is divible by the number of its divisors (128).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 77266 + ... + 80174.

Almost surely, 2^228996480 is an apocalyptic number.

228996480 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228996480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (373993200).

228996480 is an abundant number, since it is smaller than the sum of its proper divisors (518989920).

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

228996480 is a wasteful number, since it uses less digits than its factorization.

228996480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2972 (or 2960 counting only the distinct ones).

The product of its (nonzero) digits is 497664, while the sum is 48.

The square root of 228996480 is about 15132.6296459009. The cubic root of 228996480 is about 611.8001825348.

The spelling of 228996480 in words is "two hundred twenty-eight million, nine hundred ninety-six thousand, four hundred eighty".