5445240680 has 64 divisors (see below), whose sum is σ = 13826505600. Its totient is φ = 1911804160.

The previous prime is 5445240673. The next prime is 5445240707. The reversal of 5445240680 is 860425445.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 200612 + ... + 226131.

It is an arithmetic number, because the mean of its divisors is an integer number (216039150).

Almost surely, 2^5445240680 is an apocalyptic number.

It is an amenable number.

5445240680 is an abundant number, since it is smaller than the sum of its proper divisors (8381264920).

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

5445240680 is a wasteful number, since it uses less digits than its factorization.

5445240680 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 426794 (or 426790 counting only the distinct ones).

The product of its (nonzero) digits is 153600, while the sum is 38.

The square root of 5445240680 is about 73791.8740783835. The cubic root of 5445240680 is about 1759.2964517533.

The spelling of 5445240680 in words is "five billion, four hundred forty-five million, two hundred forty thousand, six hundred eighty".