228909707424 has 96 divisors (see below), whose sum is σ = 683180245440. Its totient is φ = 74528729856.

The previous prime is 228909707417. The next prime is 228909707443. The reversal of 228909707424 is 424707909822.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Smith number, since the sum of its digits (54) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 3043567 + ... + 3117870.

It is an arithmetic number, because the mean of its divisors is an integer number (7116460890).

Almost surely, 2^228909707424 is an apocalyptic number.

228909707424 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

228909707424 is an abundant number, since it is smaller than the sum of its proper divisors (454270538016).

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

228909707424 is a wasteful number, since it uses less digits than its factorization.

228909707424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6161499 (or 6161485 counting only the distinct ones).

The product of its (nonzero) digits is 4064256, while the sum is 54.

The spelling of 228909707424 in words is "two hundred twenty-eight billion, nine hundred nine million, seven hundred seven thousand, four hundred twenty-four".