14028997920 has 576 divisors, whose sum is σ = 54010478592. Its totient is φ = 3048192000.

The previous prime is 14028997891. The next prime is 14028997937. The reversal of 14028997920 is 2979982041.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 51767385 + ... + 51767655.

It is an arithmetic number, because the mean of its divisors is an integer number (93768192).

Almost surely, 2^14028997920 is an apocalyptic number.

14028997920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14028997920, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27005239296).

14028997920 is an abundant number, since it is smaller than the sum of its proper divisors (39981480672).

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

14028997920 is a wasteful number, since it uses less digits than its factorization.

14028997920 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 405 (or 390 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 51.

The spelling of 14028997920 in words is "fourteen billion, twenty-eight million, nine hundred ninety-seven thousand, nine hundred twenty".