4454278851 has 64 divisors (see below), whose sum is σ = 7244121600. Its totient is φ = 2399385600.

The previous prime is 4454278847. The next prime is 4454278891. The reversal of 4454278851 is 1588724544.

It is a happy number.

It is not a de Polignac number, because 4454278851 - 2² = 4454278847 is a prime.

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 4454278851.

It is not an unprimeable number, because it can be changed into a prime (4454278891) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 5425021 + ... + 5425841.

It is an arithmetic number, because the mean of its divisors is an integer number (113189400).

Almost surely, 2^4454278851 is an apocalyptic number.

4454278851 is a deficient number, since it is larger than the sum of its proper divisors (2789842749).

4454278851 is a wasteful number, since it uses less digits than its factorization.

4454278851 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1380.

The product of its digits is 1433600, while the sum is 48.

The square root of 4454278851 is about 66740.3839590394. The cubic root of 4454278851 is about 1645.3531761405.

The spelling of 4454278851 in words is "four billion, four hundred fifty-four million, two hundred seventy-eight thousand, eight hundred fifty-one".