4555545656560 has 40 divisors (see below), whose sum is σ = 10591857229536. Its totient is φ = 1822181518080.

The previous prime is 4555545656537. The next prime is 4555545656581. The reversal of 4555545656560 is 656565455554.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (61) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3607117 + ... + 4703443.

Almost surely, 2^{4555545656560} is an apocalyptic number.

4555545656560 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4555545656560 is an abundant number, since it is smaller than the sum of its proper divisors (6036311572976).

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

4555545656560 is a wasteful number, since it uses less digits than its factorization.

4555545656560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1148281 (or 1148275 counting only the distinct ones).

The product of its (nonzero) digits is 270000000, while the sum is 61.

The spelling of 4555545656560 in words is "four trillion, five hundred fifty-five billion, five hundred forty-five million, six hundred fifty-six thousand, five hundred sixty".