555585828840 has 256 divisors, whose sum is σ = 2117033971200. Its totient is φ = 126960058368.

The previous prime is 555585828821. The next prime is 555585828851. The reversal of 555585828840 is 48828585555.

555585828840 is a `hidden beast` number, since 5 + 5 + 5 + 5 + 8 + 582 + 8 + 8 + 40 = 666.

It is a super-2 number, since 2×555585828840² (a number of 24 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (63).

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, 47901922 + ... + 47913518.

It is an arithmetic number, because the mean of its divisors is an integer number (8269663950).

Almost surely, 2^555585828840 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 555585828840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1058516985600).

555585828840 is an abundant number, since it is smaller than the sum of its proper divisors (1561448142360).

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

555585828840 is a wasteful number, since it uses less digits than its factorization.

555585828840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17961 (or 17951 counting only the distinct ones).

The product of its (nonzero) digits is 102400000, while the sum is 63.

The spelling of 555585828840 in words is "five hundred fifty-five billion, five hundred eighty-five million, eight hundred twenty-eight thousand, eight hundred forty".