228641454522544 has 160 divisors (see below), whose sum is σ = 539629848907776. Its totient is φ = 91717550284800.

The previous prime is 228641454522539. The next prime is 228641454522583. The reversal of 228641454522544 is 445225454146822.

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, 662938944 + ... + 663283744.

Almost surely, 2^{228641454522544} is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 228641454522544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (269814924453888).

228641454522544 is an abundant number, since it is smaller than the sum of its proper divisors (310988394385232).

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

228641454522544 is a wasteful number, since it uses less digits than its factorization.

228641454522544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 350363 (or 350357 counting only the distinct ones).

The product of its digits is 98304000, while the sum is 58.

The spelling of 228641454522544 in words is "two hundred twenty-eight trillion, six hundred forty-one billion, four hundred fifty-four million, five hundred twenty-two thousand, five hundred forty-four".