4045132240 has 20 divisors (see below), whose sum is σ = 9404932644. Its totient is φ = 1618052864.

The previous prime is 4045132229. The next prime is 4045132271. The reversal of 4045132240 is 422315404.

It is a happy number.

4045132240 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 2 ways, for example, as 443692096 + 3601440144 = 21064^2 + 60012^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25281997 + ... + 25282156.

Almost surely, 2^4045132240 is an apocalyptic number.

4045132240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4045132240 is an abundant number, since it is smaller than the sum of its proper divisors (5359800404).

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

4045132240 is a wasteful number, since it uses less digits than its factorization.

4045132240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50564166 (or 50564160 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 25.

The square root of 4045132240 is about 63601.3540736359. The cubic root of 4045132240 is about 1593.3489845551.

Adding to 4045132240 its reverse (422315404), we get a palindrome (4467447644).

The spelling of 4045132240 in words is "four billion, forty-five million, one hundred thirty-two thousand, two hundred forty".