4045172550 has 24 divisors (see below), whose sum is σ = 10032028296. Its totient is φ = 1078712640.

The previous prime is 4045172539. The next prime is 4045172591. The reversal of 4045172550 is 552715404.

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 11 ways as a sum of consecutive naturals, for example, 13483759 + ... + 13484058.

It is an arithmetic number, because the mean of its divisors is an integer number (418001179).

Almost surely, 2^4045172550 is an apocalyptic number.

4045172550 is an abundant number, since it is smaller than the sum of its proper divisors (5986855746).

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

4045172550 is a wasteful number, since it uses less digits than its factorization.

4045172550 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26967832 (or 26967827 counting only the distinct ones).

The product of its (nonzero) digits is 28000, while the sum is 33.

The square root of 4045172550 is about 63601.6709686153. The cubic root of 4045172550 is about 1593.3542771455.

Adding to 4045172550 its reverse (552715404), we get a palindrome (4597887954).

The spelling of 4045172550 in words is "four billion, forty-five million, one hundred seventy-two thousand, five hundred fifty".