501628552560 has 80 divisors (see below), whose sum is σ = 1727831688480. Its totient is φ = 133767613440.

The previous prime is 501628552553. The next prime is 501628552571. The reversal of 501628552560 is 65255826105.

501628552560 is a `hidden beast` number, since 5 + 0 + 1 + 6 + 2 + 85 + 5 + 2 + 560 = 666.

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 (45).

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, 116115561 + ... + 116119880.

It is an arithmetic number, because the mean of its divisors is an integer number (21597896106).

Almost surely, 2^501628552560 is an apocalyptic number.

It is an amenable number.

501628552560 is an abundant number, since it is smaller than the sum of its proper divisors (1226203135920).

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

501628552560 is a wasteful number, since it uses less digits than its factorization.

501628552560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 232235463 (or 232235451 counting only the distinct ones).

The product of its (nonzero) digits is 720000, while the sum is 45.

The spelling of 501628552560 in words is "five hundred one billion, six hundred twenty-eight million, five hundred fifty-two thousand, five hundred sixty".