4421534320 has 40 divisors (see below), whose sum is σ = 11748649824. Its totient is φ = 1515954432.

The previous prime is 4421534269. The next prime is 4421534321. The reversal of 4421534320 is 234351244.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4421534321) by changing a digit.

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, 3947239 + ... + 3948358.

Almost surely, 2^4421534320 is an apocalyptic number.

4421534320 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

4421534320 is an abundant number, since it is smaller than the sum of its proper divisors (7327115504).

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

4421534320 is a wasteful number, since it uses less digits than its factorization.

4421534320 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7895617 (or 7895611 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 28.

The square root of 4421534320 is about 66494.6187296386. The cubic root of 4421534320 is about 1641.3114534734.

Adding to 4421534320 its reverse (234351244), we get a palindrome (4655885564).

The spelling of 4421534320 in words is "four billion, four hundred twenty-one million, five hundred thirty-four thousand, three hundred twenty".