4080503945 has 32 divisors (see below), whose sum is σ = 5870223360. Its totient is φ = 2662292160.

The previous prime is 4080503941. The next prime is 4080503953. The reversal of 4080503945 is 5493050804.

It is a happy number.

It is not a de Polignac number, because 4080503945 - 2² = 4080503941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 4080503899 and 4080503908.

It is not an unprimeable number, because it can be changed into a prime (4080503941) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 140486 + ... + 167024.

It is an arithmetic number, because the mean of its divisors is an integer number (183444480).

Almost surely, 2^4080503945 is an apocalyptic number.

It is an amenable number.

4080503945 is a deficient number, since it is larger than the sum of its proper divisors (1789719415).

4080503945 is a wasteful number, since it uses less digits than its factorization.

4080503945 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26765.

The product of its (nonzero) digits is 86400, while the sum is 38.

The square root of 4080503945 is about 63878.8223513865. The cubic root of 4080503945 is about 1597.9797346588.

The spelling of 4080503945 in words is "four billion, eighty million, five hundred three thousand, nine hundred forty-five".