558645540 has 24 divisors (see below), whose sum is σ = 1564207680. Its totient is φ = 148972128.

The previous prime is 558645539. The next prime is 558645547. The reversal of 558645540 is 45546855.

It is a junction number, because it is equal to n+sod(n) for n = 558645492 and 558645501.

It is not an unprimeable number, because it can be changed into a prime (558645547) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4655320 + ... + 4655439.

It is an arithmetic number, because the mean of its divisors is an integer number (65175320).

Almost surely, 2^558645540 is an apocalyptic number.

It is an amenable number.

558645540 is an abundant number, since it is smaller than the sum of its proper divisors (1005562140).

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

558645540 is a wasteful number, since it uses less digits than its factorization.

558645540 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9310771 (or 9310769 counting only the distinct ones).

The product of its (nonzero) digits is 480000, while the sum is 42.

The square root of 558645540 is about 23635.6836160920. The cubic root of 558645540 is about 823.5919858436.

The spelling of 558645540 in words is "five hundred fifty-eight million, six hundred forty-five thousand, five hundred forty".