228811606464 has 224 divisors, whose sum is σ = 720327678976. Its totient is φ = 62735523840.

The previous prime is 228811606393. The next prime is 228811606487. The reversal of 228811606464 is 464606118822.

It is a tau number, because it is divible by the number of its divisors (224).

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 31 ways as a sum of consecutive naturals, for example, 3598629 + ... + 3661659.

Almost surely, 2^228811606464 is an apocalyptic number.

228811606464 is a gapful number since it is divisible by the number (24) 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 228811606464, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (360163839488).

228811606464 is an abundant number, since it is smaller than the sum of its proper divisors (491516072512).

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

228811606464 is a wasteful number, since it uses less digits than its factorization.

228811606464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63163 (or 63153 counting only the distinct ones).

The product of its (nonzero) digits is 884736, while the sum is 48.

The spelling of 228811606464 in words is "two hundred twenty-eight billion, eight hundred eleven million, six hundred six thousand, four hundred sixty-four".