14444432420 has 48 divisors (see below), whose sum is σ = 33329016000. Its totient is φ = 5214721920.

The previous prime is 14444432411. The next prime is 14444432437. The reversal of 14444432420 is 2423444441.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 205595 + ... + 266754.

It is an arithmetic number, because the mean of its divisors is an integer number (694354500).

Almost surely, 2^14444432420 is an apocalyptic number.

14444432420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14444432420 is an abundant number, since it is smaller than the sum of its proper divisors (18884583580).

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

14444432420 is a wasteful number, since it uses less digits than its factorization.

14444432420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 472508 (or 472506 counting only the distinct ones).

The product of its (nonzero) digits is 49152, while the sum is 32.

Adding to 14444432420 its reverse (2423444441), we get a palindrome (16867876861).

The spelling of 14444432420 in words is "fourteen billion, four hundred forty-four million, four hundred thirty-two thousand, four hundred twenty".