4455517242 has 64 divisors (see below), whose sum is σ = 9832762368. Its totient is φ = 1334736000.

The previous prime is 4455517229. The next prime is 4455517277. The reversal of 4455517242 is 2427155544.

It is a self number, because there is not a number n which added to its sum of digits gives 4455517242.

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, 2688078 + ... + 2689734.

It is an arithmetic number, because the mean of its divisors is an integer number (153636912).

Almost surely, 2^4455517242 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4455517242, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4916381184).

4455517242 is an abundant number, since it is smaller than the sum of its proper divisors (5377245126).

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

4455517242 is a wasteful number, since it uses less digits than its factorization.

4455517242 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2115.

The product of its digits is 224000, while the sum is 39.

The square root of 4455517242 is about 66749.6609879032. The cubic root of 4455517242 is about 1645.5056439009.

The spelling of 4455517242 in words is "four billion, four hundred fifty-five million, five hundred seventeen thousand, two hundred forty-two".