555490135840 has 96 divisors (see below), whose sum is σ = 1356100462080. Its totient is φ = 215026594560.

The previous prime is 555490135819. The next prime is 555490135873. The reversal of 555490135840 is 48531094555.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 4708291 + ... + 4824829.

It is an arithmetic number, because the mean of its divisors is an integer number (14126046480).

Almost surely, 2^555490135840 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 555490135840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (678050231040).

555490135840 is an abundant number, since it is smaller than the sum of its proper divisors (800610326240).

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

555490135840 is an equidigital number, since it uses as much as digits as its factorization.

555490135840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 116647 (or 116577 counting only the distinct ones).

The product of its (nonzero) digits is 2160000, while the sum is 49.

The spelling of 555490135840 in words is "five hundred fifty-five billion, four hundred ninety million, one hundred thirty-five thousand, eight hundred forty".