555339966330240 has 1280 divisors, whose sum is σ = 2450935133982720. Its totient is φ = 117170388393984.

The previous prime is 555339966330239. The next prime is 555339966330301. The reversal of 555339966330240 is 42033669933555.

It is a happy number.

555339966330240 is a `hidden beast` number, since 5 + 5 + 53 + 3 + 9 + 9 + 6 + 6 + 330 + 240 = 666.

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 159 ways as a sum of consecutive naturals, for example, 1146095697 + ... + 1146580143.

It is an arithmetic number, because the mean of its divisors is an integer number (1914793073424).

Almost surely, 2^{555339966330240} 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 555339966330240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1225467566991360).

555339966330240 is an abundant number, since it is smaller than the sum of its proper divisors (1895595167652480).

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

555339966330240 is an frugal number, since it uses more digits than its factorization.

555339966330240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 484513 (or 484477 counting only the distinct ones).

The product of its (nonzero) digits is 236196000, while the sum is 63.

The spelling of 555339966330240 in words is "five hundred fifty-five trillion, three hundred thirty-nine billion, nine hundred sixty-six million, three hundred thirty thousand, two hundred forty".