5447420836480 has 128 divisors (see below), whose sum is σ = 15135389136000. Its totient is φ = 1836031340544.

The previous prime is 5447420836463. The next prime is 5447420836489. The reversal of 5447420836480 is 846380247445.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (5447420836489) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 10040275 + ... + 10568914.

It is an arithmetic number, because the mean of its divisors is an integer number (118245227625).

Almost surely, 2^{5447420836480} is an apocalyptic number.

It is an amenable number.

5447420836480 is an abundant number, since it is smaller than the sum of its proper divisors (9687968299520).

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

5447420836480 is a wasteful number, since it uses less digits than its factorization.

5447420836480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20609274 (or 20609262 counting only the distinct ones).

The product of its (nonzero) digits is 20643840, while the sum is 55.

The spelling of 5447420836480 in words is "five trillion, four hundred forty-seven billion, four hundred twenty million, eight hundred thirty-six thousand, four hundred eighty".