4000132240 has 40 divisors (see below), whose sum is σ = 10015718328. Its totient is φ = 1476971520.

The previous prime is 4000132211. The next prime is 4000132267. The reversal of 4000132240 is 422310004.

4000132240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 4 ways, for example, as 246364416 + 3753767824 = 15696^2 + 61268^2 .

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

It is a Harshad number since it is a multiple of its sum of digits (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, 1922101 + ... + 1924180.

Almost surely, 2^4000132240 is an apocalyptic number.

4000132240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4000132240 is an abundant number, since it is smaller than the sum of its proper divisors (6015586088).

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

4000132240 is a wasteful number, since it uses less digits than its factorization.

4000132240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3846307 (or 3846301 counting only the distinct ones).

The product of its (nonzero) digits is 192, while the sum is 16.

The square root of 4000132240 is about 63246.5986437215. The cubic root of 4000132240 is about 1587.4185449350.

Adding to 4000132240 its reverse (422310004), we get a palindrome (4422442244).

The spelling of 4000132240 in words is "four billion, one hundred thirty-two thousand, two hundred forty".