4021444320324 has 96 divisors (see below), whose sum is σ = 9467605042560. Its totient is φ = 1328500113408.

The previous prime is 4021444320319. The next prime is 4021444320337. The reversal of 4021444320324 is 4230234441204.

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, 1680502072 + ... + 1680504464.

It is an arithmetic number, because the mean of its divisors is an integer number (98620885860).

Almost surely, 2^{4021444320324} is an apocalyptic number.

It is an amenable number.

4021444320324 is an abundant number, since it is smaller than the sum of its proper divisors (5446160722236).

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

4021444320324 is a wasteful number, since it uses less digits than its factorization.

4021444320324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4629 (or 4627 counting only the distinct ones).

The product of its (nonzero) digits is 73728, while the sum is 33.

Adding to 4021444320324 its reverse (4230234441204), we get a palindrome (8251678761528).

The spelling of 4021444320324 in words is "four trillion, twenty-one billion, four hundred forty-four million, three hundred twenty thousand, three hundred twenty-four".