4145432220 has 72 divisors (see below), whose sum is σ = 12980123520. Its totient is φ = 1069787520.

The previous prime is 4145432219. The next prime is 4145432237. The reversal of 4145432220 is 222345414.

4145432220 is a `hidden beast` number, since 4 + 1 + 4 + 5 + 432 + 220 = 666.

It is a super-2 number, since 2×4145432220² = 34369216581228256800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 365875 + ... + 377034.

Almost surely, 2^4145432220 is an apocalyptic number.

It is an amenable number.

4145432220 is an abundant number, since it is smaller than the sum of its proper divisors (8834691300).

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

4145432220 is a wasteful number, since it uses less digits than its factorization.

4145432220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 742955 (or 742950 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 4145432220 is about 64385.0310242994. The cubic root of 4145432220 is about 1606.4107664691.

Adding to 4145432220 its reverse (222345414), we get a palindrome (4367777634).

The spelling of 4145432220 in words is "four billion, one hundred forty-five million, four hundred thirty-two thousand, two hundred twenty".