6455573488 has 160 divisors (see below), whose sum is σ = 15929424896. Its totient is φ = 2466422784.

The previous prime is 6455573477. The next prime is 6455573503. The reversal of 6455573488 is 8843755546.

It is a happy number.

It is a super-3 number, since 3×6455573488³ (a number of 30 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 6072445 + ... + 6073507.

Almost surely, 2^6455573488 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6455573488, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7964712448).

6455573488 is an abundant number, since it is smaller than the sum of its proper divisors (9473851408).

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

6455573488 is a wasteful number, since it uses less digits than its factorization.

6455573488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1231 (or 1225 counting only the distinct ones).

The product of its digits is 16128000, while the sum is 55.

The square root of 6455573488 is about 80346.5835490222. The cubic root of 6455573488 is about 1861.9939967879.

The spelling of 6455573488 in words is "six billion, four hundred fifty-five million, five hundred seventy-three thousand, four hundred eighty-eight".