555247042560 has 1280 divisors, whose sum is σ = 2344664044800. Its totient is φ = 123070316544.

The previous prime is 555247042499. The next prime is 555247042573. The reversal of 555247042560 is 65240742555.

555247042560 is a `hidden beast` number, since 5 + 5 + 5 + 2 + 47 + 0 + 42 + 560 = 666.

It is a tau number, because it is divible by the number of its divisors (1280).

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 pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 3994582971 + ... + 3994583109.

It is an arithmetic number, because the mean of its divisors is an integer number (1831768785).

Almost surely, 2^555247042560 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 555247042560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1172332022400).

555247042560 is an abundant number, since it is smaller than the sum of its proper divisors (1789417002240).

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

555247042560 is an equidigital number, since it uses as much as digits as its factorization.

555247042560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236 (or 199 counting only the distinct ones).

The product of its (nonzero) digits is 1680000, while the sum is 45.

The spelling of 555247042560 in words is "five hundred fifty-five billion, two hundred forty-seven million, forty-two thousand, five hundred sixty".