1578413232 has 120 divisors (see below), whose sum is σ = 4830293520. Its totient is φ = 477181440.

The previous prime is 1578413171. The next prime is 1578413261. The reversal of 1578413232 is 2323148751.

1578413232 is a `hidden beast` number, since 1 + 5 + 7 + 8 + 413 + 232 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 881394 + ... + 883182.

It is an arithmetic number, because the mean of its divisors is an integer number (40252446).

Almost surely, 2^1578413232 is an apocalyptic number.

1578413232 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1578413232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2415146760).

1578413232 is an abundant number, since it is smaller than the sum of its proper divisors (3251880288).

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

1578413232 is a wasteful number, since it uses less digits than its factorization.

1578413232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2371 (or 2362 counting only the distinct ones).

The product of its digits is 40320, while the sum is 36.

The square root of 1578413232 is about 39729.2490742022. The cubic root of 1578413232 is about 1164.3232531201.

The spelling of 1578413232 in words is "one billion, five hundred seventy-eight million, four hundred thirteen thousand, two hundred thirty-two".