4455497680 has 20 divisors (see below), whose sum is σ = 10359032292. Its totient is φ = 1782199040.

The previous prime is 4455497659. The next prime is 4455497687. The reversal of 4455497680 is 867945544.

It can be written as a sum of positive squares in 2 ways, for example, as 2892718656 + 1562779024 = 53784^2 + 39532^2 .

It is a tau number, because it is divible by the number of its divisors (20).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4455497687) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27846781 + ... + 27846940.

Almost surely, 2^4455497680 is an apocalyptic number.

4455497680 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4455497680 is an abundant number, since it is smaller than the sum of its proper divisors (5903534612).

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

4455497680 is a wasteful number, since it uses less digits than its factorization.

4455497680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55693734 (or 55693728 counting only the distinct ones).

The product of its (nonzero) digits is 4838400, while the sum is 52.

The square root of 4455497680 is about 66749.5144551629. The cubic root of 4455497680 is about 1645.5032356935.

The spelling of 4455497680 in words is "four billion, four hundred fifty-five million, four hundred ninety-seven thousand, six hundred eighty".