4255479515664 has 200 divisors, whose sum is σ = 13266910099520. Its totient is φ = 1309093270272.

The previous prime is 4255479515647. The next prime is 4255479515681. The reversal of 4255479515664 is 4665159745524.

4255479515664 is a `hidden beast` number, since 4 + 2 + 5 + 5 + 479 + 5 + 156 + 6 + 4 = 666.

It is an interprime number because it is at equal distance from previous prime (4255479515647) and next prime (4255479515681).

It is an unprimeable number.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 85209069 + ... + 85258995.

Almost surely, 2^{4255479515664} 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 4255479515664, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6633455049760).

4255479515664 is an abundant number, since it is smaller than the sum of its proper divisors (9011430583856).

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

4255479515664 is a wasteful number, since it uses less digits than its factorization.

4255479515664 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55019 (or 55004 counting only the distinct ones).

The product of its digits is 181440000, while the sum is 63.

The spelling of 4255479515664 in words is "four trillion, two hundred fifty-five billion, four hundred seventy-nine million, five hundred fifteen thousand, six hundred sixty-four".