228553416480440 has 64 divisors (see below), whose sum is σ = 525189592488960. Its totient is φ = 89475716880000.

The previous prime is 228553416480437. The next prime is 228553416480451. The reversal of 228553416480440 is 44084614355822.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (29) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 615444815 + ... + 615816065.

It is an arithmetic number, because the mean of its divisors is an integer number (8206087382640).

Almost surely, 2^{228553416480440} is an apocalyptic number.

228553416480440 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

228553416480440 is an abundant number, since it is smaller than the sum of its proper divisors (296636176008520).

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

228553416480440 is a wasteful number, since it uses less digits than its factorization.

228553416480440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 698772 (or 698768 counting only the distinct ones).

The product of its (nonzero) digits is 29491200, while the sum is 56.

The spelling of 228553416480440 in words is "two hundred twenty-eight trillion, five hundred fifty-three billion, four hundred sixteen million, four hundred eighty thousand, four hundred forty".