5040651645 has 24 divisors (see below), whose sum is σ = 9196980000. Its totient is φ = 2546855136.

The previous prime is 5040651611. The next prime is 5040651661. The reversal of 5040651645 is 5461560405.

5040651645 is a `hidden beast` number, since 5 + 0 + 4 + 0 + 6 + 5 + 1 + 645 = 666.

It is not a de Polignac number, because 5040651645 - 2¹⁹ = 5040127357 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2946895 + ... + 2948604.

It is an arithmetic number, because the mean of its divisors is an integer number (383207500).

Almost surely, 2^5040651645 is an apocalyptic number.

It is an amenable number.

5040651645 is a deficient number, since it is larger than the sum of its proper divisors (4156328355).

5040651645 is a wasteful number, since it uses less digits than its factorization.

5040651645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5895529 (or 5895526 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 5040651645 is about 70997.5467533914. The cubic root of 5040651645 is about 1714.5976661914.

The spelling of 5040651645 in words is "five billion, forty million, six hundred fifty-one thousand, six hundred forty-five".