558431280 has 320 divisors, whose sum is σ = 2210572800. Its totient is φ = 128148480.

The previous prime is 558431257. The next prime is 558431281. The reversal of 558431280 is 82134855.

It is a happy number.

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

It is not an unprimeable number, because it can be changed into a prime (558431281) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 450822 + ... + 452058.

It is an arithmetic number, because the mean of its divisors is an integer number (6908040).

Almost surely, 2^558431280 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 558431280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1105286400).

558431280 is an abundant number, since it is smaller than the sum of its proper divisors (1652141520).

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

558431280 is a wasteful number, since it uses less digits than its factorization.

558431280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1289 (or 1277 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 36.

The square root of 558431280 is about 23631.1506279318. The cubic root of 558431280 is about 823.4866803198.

It can be divided in two parts, 5584 and 31280, that added together give a square (36864 = 192²).

The spelling of 558431280 in words is "five hundred fifty-eight million, four hundred thirty-one thousand, two hundred eighty".