555820626240 has 1008 divisors, whose sum is σ = 2222296824384. Its totient is φ = 131233996800.

The previous prime is 555820626227. The next prime is 555820626289. The reversal of 555820626240 is 42626028555.

It is a happy number.

555820626240 is a `hidden beast` number, since 5 + 5 + 582 + 0 + 6 + 2 + 62 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

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 143 ways as a sum of consecutive naturals, for example, 946883227 + ... + 946883813.

It is an arithmetic number, because the mean of its divisors is an integer number (2204659548).

Almost surely, 2^555820626240 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 555820626240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1111148412192).

555820626240 is an abundant number, since it is smaller than the sum of its proper divisors (1666476198144).

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

555820626240 is an equidigital number, since it uses as much as digits as its factorization.

555820626240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 680 (or 649 counting only the distinct ones).

The product of its (nonzero) digits is 1152000, while the sum is 45.

The spelling of 555820626240 in words is "five hundred fifty-five billion, eight hundred twenty million, six hundred twenty-six thousand, two hundred forty".