225839120880 has 80 divisors (see below), whose sum is σ = 736948725120. Its totient is φ = 57054092544.

The previous prime is 225839120879. The next prime is 225839120891. The reversal of 225839120880 is 88021938522.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (80).

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 pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 24758502 + ... + 24767621.

It is an arithmetic number, because the mean of its divisors is an integer number (9211859064).

Almost surely, 2^225839120880 is an apocalyptic number.

225839120880 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

225839120880 is an abundant number, since it is smaller than the sum of its proper divisors (511109604240).

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

225839120880 is a wasteful number, since it uses less digits than its factorization.

225839120880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49526158 (or 49526152 counting only the distinct ones).

The product of its (nonzero) digits is 552960, while the sum is 48.

The spelling of 225839120880 in words is "two hundred twenty-five billion, eight hundred thirty-nine million, one hundred twenty thousand, eight hundred eighty".