523628005220 has 24 divisors (see below), whose sum is σ = 1099870451064. Its totient is φ = 209403270656.

The previous prime is 523628005211. The next prime is 523628005231. The reversal of 523628005220 is 22500826325.

It can be written as a sum of positive squares in 4 ways, for example, as 131443952704 + 392184052516 = 362552^2 + 626246^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2906069 + ... + 3080988.

It is an arithmetic number, because the mean of its divisors is an integer number (45827935461).

Almost surely, 2^523628005220 is an apocalyptic number.

It is an amenable number.

523628005220 is an abundant number, since it is smaller than the sum of its proper divisors (576242445844).

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

523628005220 is a wasteful number, since it uses less digits than its factorization.

523628005220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5991439 (or 5991437 counting only the distinct ones).

The product of its (nonzero) digits is 57600, while the sum is 35.

The spelling of 523628005220 in words is "five hundred twenty-three billion, six hundred twenty-eight million, five thousand, two hundred twenty".