1578340104 has 64 divisors (see below), whose sum is σ = 4327007040. Its totient is φ = 475791360.

The previous prime is 1578340097. The next prime is 1578340123. The reversal of 1578340104 is 4010438751.

It is a Harshad number since it is a multiple of its sum of digits (33).

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, 35464 + ... + 66440.

It is an arithmetic number, because the mean of its divisors is an integer number (67609485).

Almost surely, 2^1578340104 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 1578340104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2163503520).

1578340104 is an abundant number, since it is smaller than the sum of its proper divisors (2748666936).

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

1578340104 is a wasteful number, since it uses less digits than its factorization.

1578340104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31190 (or 31186 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 1578340104 is about 39728.3287340407. The cubic root of 1578340104 is about 1164.3052717820.

Adding to 1578340104 its reverse (4010438751), we get a palindrome (5588778855).

The spelling of 1578340104 in words is "one billion, five hundred seventy-eight million, three hundred forty thousand, one hundred four".