228462558544 has 80 divisors (see below), whose sum is σ = 511619664960. Its totient is φ = 97675335680.

The previous prime is 228462558529. The next prime is 228462558613. The reversal of 228462558544 is 445855264822.

It is a Smith number, since the sum of its digits (55) coincides with the sum of the digits of its prime factors.

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, 4802427 + ... + 4849765.

It is an arithmetic number, because the mean of its divisors is an integer number (6395245812).

Almost surely, 2^228462558544 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 228462558544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (255809832480).

228462558544 is an abundant number, since it is smaller than the sum of its proper divisors (283157106416).

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

228462558544 is a wasteful number, since it uses less digits than its factorization.

228462558544 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 48988 (or 48982 counting only the distinct ones).

The product of its digits is 24576000, while the sum is 55.

The spelling of 228462558544 in words is "two hundred twenty-eight billion, four hundred sixty-two million, five hundred fifty-eight thousand, five hundred forty-four".