5440515645 has 16 divisors (see below), whose sum is σ = 8710706880. Its totient is φ = 2899647744.

The previous prime is 5440515643. The next prime is 5440515653. The reversal of 5440515645 is 5465150445.

It is not a de Polignac number, because 5440515645 - 2¹ = 5440515643 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5440515643) 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 15 ways as a sum of consecutive naturals, for example, 99459 + ... + 144128.

It is an arithmetic number, because the mean of its divisors is an integer number (544419180).

Almost surely, 2^5440515645 is an apocalyptic number.

It is an amenable number.

5440515645 is a deficient number, since it is larger than the sum of its proper divisors (3270191235).

5440515645 is a wasteful number, since it uses less digits than its factorization.

5440515645 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 245084.

The product of its (nonzero) digits is 240000, while the sum is 39.

The square root of 5440515645 is about 73759.8511725722. The cubic root of 5440515645 is about 1758.7874358144.

The spelling of 5440515645 in words is "five billion, four hundred forty million, five hundred fifteen thousand, six hundred forty-five".