558378840 has 128 divisors (see below), whose sum is σ = 1811232000. Its totient is φ = 137230848.

The previous prime is 558378839. The next prime is 558378857. The reversal of 558378840 is 48873855.

It is a self number, because there is not a number n which added to its sum of digits gives 558378840.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 81051 + ... + 87669.

It is an arithmetic number, because the mean of its divisors is an integer number (14150250).

Almost surely, 2^558378840 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 558378840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (905616000).

558378840 is an abundant number, since it is smaller than the sum of its proper divisors (1252853160).

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

558378840 is a wasteful number, since it uses less digits than its factorization.

558378840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6689 (or 6685 counting only the distinct ones).

The product of its (nonzero) digits is 1075200, while the sum is 48.

The square root of 558378840 is about 23630.0410494777. The cubic root of 558378840 is about 823.4609027563.

The spelling of 558378840 in words is "five hundred fifty-eight million, three hundred seventy-eight thousand, eight hundred forty".