555946026786 has 144 divisors (see below), whose sum is σ = 1349000400384. Its totient is φ = 165107847168.

The previous prime is 555946026761. The next prime is 555946026791. The reversal of 555946026786 is 687620649555.

It is a happy number.

555946026786 is a `hidden beast` number, since 5 + 559 + 4 + 6 + 0 + 2 + 6 + 78 + 6 = 666.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 11581711 + ... + 11629613.

It is an arithmetic number, because the mean of its divisors is an integer number (9368058336).

Almost surely, 2^555946026786 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 555946026786, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (674500200192).

555946026786 is an abundant number, since it is smaller than the sum of its proper divisors (793054373598).

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

555946026786 is a wasteful number, since it uses less digits than its factorization.

555946026786 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 48065 (or 48045 counting only the distinct ones).

The product of its (nonzero) digits is 108864000, while the sum is 63.

The spelling of 555946026786 in words is "five hundred fifty-five billion, nine hundred forty-six million, twenty-six thousand, seven hundred eighty-six".