1578855048 has 64 divisors (see below), whose sum is σ = 4080844800. Its totient is φ = 508511040.

The previous prime is 1578855007. The next prime is 1578855119. The reversal of 1578855048 is 8405588751.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 640843 + ... + 643301.

It is an arithmetic number, because the mean of its divisors is an integer number (63763200).

Almost surely, 2^1578855048 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 1578855048, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2040422400).

1578855048 is an abundant number, since it is smaller than the sum of its proper divisors (2501989752).

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

1578855048 is a wasteful number, since it uses less digits than its factorization.

1578855048 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3362 (or 3358 counting only the distinct ones).

The product of its (nonzero) digits is 1792000, while the sum is 51.

The square root of 1578855048 is about 39734.8090218136. The cubic root of 1578855048 is about 1164.4318788045.

The spelling of 1578855048 in words is "one billion, five hundred seventy-eight million, eight hundred fifty-five thousand, forty-eight".