556136280 has 480 divisors, whose sum is σ = 2264423040. Its totient is φ = 121927680.

The previous prime is 556136279. The next prime is 556136303. The reversal of 556136280 is 82631655.

556136280 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 119 ways as a sum of consecutive naturals, for example, 4921504 + ... + 4921616.

It is an arithmetic number, because the mean of its divisors is an integer number (4717548).

Almost surely, 2^556136280 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 556136280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1132211520).

556136280 is an abundant number, since it is smaller than the sum of its proper divisors (1708286760).

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

556136280 is a wasteful number, since it uses less digits than its factorization.

556136280 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181 (or 161 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 36.

The square root of 556136280 is about 23582.5418477313. The cubic root of 556136280 is about 822.3570296239.

The spelling of 556136280 in words is "five hundred fifty-six million, one hundred thirty-six thousand, two hundred eighty".