4004155392 has 104 divisors (see below), whose sum is σ = 10966241856. Its totient is φ = 1298497536.

The previous prime is 4004155381. The next prime is 4004155447. The reversal of 4004155392 is 2935514004.

It is a nialpdrome in base 16.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 450253 + ... + 459059.

Almost surely, 2^4004155392 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 4004155392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5483120928).

4004155392 is an abundant number, since it is smaller than the sum of its proper divisors (6962086464).

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

4004155392 is an equidigital number, since it uses as much as digits as its factorization.

4004155392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8871 (or 8849 counting only the distinct ones).

The product of its (nonzero) digits is 21600, while the sum is 33.

The square root of 4004155392 is about 63278.3959341575. The cubic root of 4004155392 is about 1587.9505511994.

Adding to 4004155392 its reverse (2935514004), we get a palindrome (6939669396).

The spelling of 4004155392 in words is "four billion, four million, one hundred fifty-five thousand, three hundred ninety-two".