555286394880 has 1152 divisors, whose sum is σ = 2314470412800. Its totient is φ = 120444420096.

The previous prime is 555286394867. The next prime is 555286394917. The reversal of 555286394880 is 88493682555.

555286394880 is a `hidden beast` number, since 5 + 5 + 528 + 63 + 9 + 48 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (1152).

It is a Harshad number since it is a multiple of its sum of digits (63).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 1253467939 + ... + 1253468381.

It is an arithmetic number, because the mean of its divisors is an integer number (2009088900).

Almost surely, 2^555286394880 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 555286394880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1157235206400).

555286394880 is an abundant number, since it is smaller than the sum of its proper divisors (1759184017920).

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

555286394880 is a wasteful number, since it uses less digits than its factorization.

555286394880 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 579 (or 556 counting only the distinct ones).

The product of its (nonzero) digits is 82944000, while the sum is 63.

The spelling of 555286394880 in words is "five hundred fifty-five billion, two hundred eighty-six million, three hundred ninety-four thousand, eight hundred eighty".