4040231320 has 64 divisors (see below), whose sum is σ = 9278287200. Its totient is φ = 1582986240.

The previous prime is 4040231263. The next prime is 4040231399. The reversal of 4040231320 is 231320404.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 480916 + ... + 489244.

Almost surely, 2^4040231320 is an apocalyptic number.

4040231320 is a gapful number since it is divisible by the number (40) 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 4040231320, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4639143600).

4040231320 is an abundant number, since it is smaller than the sum of its proper divisors (5238055880).

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

4040231320 is a wasteful number, since it uses less digits than its factorization.

4040231320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8588 (or 8584 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 19.

The square root of 4040231320 is about 63562.8139716926. The cubic root of 4040231320 is about 1592.7052452650.

Adding to 4040231320 its reverse (231320404), we get a palindrome (4271551724).

The spelling of 4040231320 in words is "four billion, forty million, two hundred thirty-one thousand, three hundred twenty".