4455721010 has 16 divisors (see below), whose sum is σ = 8637244056. Its totient is φ = 1645189248.

The previous prime is 4455720953. The next prime is 4455721087. The reversal of 4455721010 is 101275544.

It can be written as a sum of positive squares in 4 ways, for example, as 3534659209 + 921061801 = 59453^2 + 30349^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17137259 + ... + 17137518.

Almost surely, 2^4455721010 is an apocalyptic number.

4455721010 is a deficient number, since it is larger than the sum of its proper divisors (4181523046).

4455721010 is a wasteful number, since it uses less digits than its factorization.

4455721010 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34274797.

The product of its (nonzero) digits is 5600, while the sum is 29.

The square root of 4455721010 is about 66751.1873302640. The cubic root of 4455721010 is about 1645.5307286265.

Adding to 4455721010 its reverse (101275544), we get a palindrome (4556996554).

The spelling of 4455721010 in words is "four billion, four hundred fifty-five million, seven hundred twenty-one thousand, ten".