5505472640 has 32 divisors (see below), whose sum is σ = 13161522060. Its totient is φ = 2202188800.

The previous prime is 5505472603. The next prime is 5505472649. The reversal of 5505472640 is 462745055.

It can be written as a sum of positive squares in 2 ways, for example, as 5448801856 + 56670784 = 73816^2 + 7528^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is a junction number, because it is equal to n+sod(n) for n = 5505472594 and 5505472603.

It is not an unprimeable number, because it can be changed into a prime (5505472649) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 4300511 + ... + 4301790.

Almost surely, 2^5505472640 is an apocalyptic number.

It is an amenable number.

5505472640 is an abundant number, since it is smaller than the sum of its proper divisors (7656049420).

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

5505472640 is an equidigital number, since it uses as much as digits as its factorization.

5505472640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8602320 (or 8602308 counting only the distinct ones).

The product of its (nonzero) digits is 168000, while the sum is 38.

The square root of 5505472640 is about 74198.8722286262. The cubic root of 5505472640 is about 1765.7594379958.

The spelling of 5505472640 in words is "five billion, five hundred five million, four hundred seventy-two thousand, six hundred forty".