555749266752 has 448 divisors, whose sum is σ = 1747552512000. Its totient is φ = 172691398656.

The previous prime is 555749266741. The next prime is 555749266769. The reversal of 555749266752 is 257662947555.

555749266752 is a `hidden beast` number, since 5 + 5 + 574 + 9 + 2 + 6 + 6 + 7 + 52 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 555749266752.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 604732149 + ... + 604733067.

Almost surely, 2^555749266752 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 555749266752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (873776256000).

555749266752 is an abundant number, since it is smaller than the sum of its proper divisors (1191803245248).

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

555749266752 is a wasteful number, since it uses less digits than its factorization.

555749266752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1235 (or 1219 counting only the distinct ones).

The product of its digits is 158760000, while the sum is 63.

The spelling of 555749266752 in words is "five hundred fifty-five billion, seven hundred forty-nine million, two hundred sixty-six thousand, seven hundred fifty-two".