13995078720 has 224 divisors, whose sum is σ = 51616148736. Its totient is φ = 3146342400.

The previous prime is 13995078719. The next prime is 13995078761. The reversal of 13995078720 is 2787059931.

It is a tau number, because it is divible by the number of its divisors (224).

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, 392850 + ... + 426990.

Almost surely, 2^13995078720 is an apocalyptic number.

13995078720 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 13995078720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25808074368).

13995078720 is an abundant number, since it is smaller than the sum of its proper divisors (37621070016).

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

13995078720 is a wasteful number, since it uses less digits than its factorization.

13995078720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34229 (or 34219 counting only the distinct ones).

The product of its (nonzero) digits is 952560, while the sum is 51.

The spelling of 13995078720 in words is "thirteen billion, nine hundred ninety-five million, seventy-eight thousand, seven hundred twenty".