5504043640 has 32 divisors (see below), whose sum is σ = 12617765280. Its totient is φ = 2160076672.

The previous prime is 5504043631. The next prime is 5504043697. The reversal of 5504043640 is 463404055.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1296004 + ... + 1300243.

It is an arithmetic number, because the mean of its divisors is an integer number (394305165).

Almost surely, 2^5504043640 is an apocalyptic number.

It is an amenable number.

5504043640 is an abundant number, since it is smaller than the sum of its proper divisors (7113721640).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5504043640 is a wasteful number, since it uses less digits than its factorization.

5504043640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2596311 (or 2596307 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 5504043640 is about 74189.2420772716. The cubic root of 5504043640 is about 1765.6066513205.

Adding to 5504043640 its reverse (463404055), we get a palindrome (5967447695).

The spelling of 5504043640 in words is "five billion, five hundred four million, forty-three thousand, six hundred forty".