5540659646 has 32 divisors (see below), whose sum is σ = 8691208608. Its totient is φ = 2646483840.

The previous prime is 5540659639. The next prime is 5540659687. The reversal of 5540659646 is 6469560455.

It is a junction number, because it is equal to n+sod(n) for n = 5540659594 and 5540659603.

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 15 ways as a sum of consecutive naturals, for example, 4933241 + ... + 4934363.

It is an arithmetic number, because the mean of its divisors is an integer number (271600269).

Almost surely, 2^5540659646 is an apocalyptic number.

5540659646 is a deficient number, since it is larger than the sum of its proper divisors (3150548962).

5540659646 is a wasteful number, since it uses less digits than its factorization.

5540659646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2316.

The product of its (nonzero) digits is 3888000, while the sum is 50.

The square root of 5540659646 is about 74435.6073798018. The cubic root of 5540659646 is about 1769.5132718518.

The spelling of 5540659646 in words is "five billion, five hundred forty million, six hundred fifty-nine thousand, six hundred forty-six".