14915780880 has 640 divisors, whose sum is σ = 63451938816. Its totient is φ = 2797977600.

The previous prime is 14915780821. The next prime is 14915780941. The reversal of 14915780880 is 8808751941.

It is a happy number.

It is an unprimeable number.

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 127 ways as a sum of consecutive naturals, for example, 11290620 + ... + 11291940.

Almost surely, 2^14915780880 is an apocalyptic number.

14915780880 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 14915780880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (31725969408).

14915780880 is an abundant number, since it is smaller than the sum of its proper divisors (48536157936).

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

14915780880 is a wasteful number, since it uses less digits than its factorization.

14915780880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1415 (or 1409 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 51.

The spelling of 14915780880 in words is "fourteen billion, nine hundred fifteen million, seven hundred eighty thousand, eight hundred eighty".