4421154452 has 72 divisors (see below), whose sum is σ = 9289812000. Its totient is φ = 1815042240.

The previous prime is 4421154391. The next prime is 4421154481. The reversal of 4421154452 is 2544511244.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1261799 + ... + 1265297.

Almost surely, 2^4421154452 is an apocalyptic number.

It is an amenable number.

4421154452 is an abundant number, since it is smaller than the sum of its proper divisors (4868657548).

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

4421154452 is a wasteful number, since it uses less digits than its factorization.

4421154452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3621 (or 3572 counting only the distinct ones).

The product of its digits is 25600, while the sum is 32.

The square root of 4421154452 is about 66491.7622867675. The cubic root of 4421154452 is about 1641.2644487076.

Adding to 4421154452 its reverse (2544511244), we get a palindrome (6965665696).

The spelling of 4421154452 in words is "four billion, four hundred twenty-one million, one hundred fifty-four thousand, four hundred fifty-two".