4045329729 has 32 divisors (see below), whose sum is σ = 7209728000. Its totient is φ = 2189950992.

The previous prime is 4045329721. The next prime is 4045329731. The reversal of 4045329729 is 9279235404.

4045329729 is a `hidden beast` number, since 4 + 0 + 4 + 532 + 97 + 29 = 666.

4045329729 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 4045329729 - 2³ = 4045329721 is a prime.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (4045329721) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 559669 + ... + 566850.

It is an arithmetic number, because the mean of its divisors is an integer number (225304000).

Almost surely, 2^4045329729 is an apocalyptic number.

It is an amenable number.

4045329729 is a deficient number, since it is larger than the sum of its proper divisors (3164398271).

4045329729 is a wasteful number, since it uses less digits than its factorization.

4045329729 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1126554 (or 1126548 counting only the distinct ones).

The product of its (nonzero) digits is 544320, while the sum is 45.

The square root of 4045329729 is about 63602.9066081103. The cubic root of 4045329729 is about 1593.3749139734.

The spelling of 4045329729 in words is "four billion, forty-five million, three hundred twenty-nine thousand, seven hundred twenty-nine".