4004120240 has 40 divisors (see below), whose sum is σ = 9337766928. Its totient is φ = 1596798720.

The previous prime is 4004120233. The next prime is 4004120243. The reversal of 4004120240 is 420214004.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (4004120243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 49127 + ... + 102086.

Almost surely, 2^4004120240 is an apocalyptic number.

4004120240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4004120240 is an abundant number, since it is smaller than the sum of its proper divisors (5333646688).

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

4004120240 is a wasteful number, since it uses less digits than its factorization.

4004120240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 151557 (or 151551 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 17.

The square root of 4004120240 is about 63278.1181768232. The cubic root of 4004120240 is about 1587.9459043766.

Adding to 4004120240 its reverse (420214004), we get a palindrome (4424334244).

The spelling of 4004120240 in words is "four billion, four million, one hundred twenty thousand, two hundred forty".