14959989720 has 384 divisors, whose sum is σ = 55807315200. Its totient is φ = 3444913152.

The previous prime is 14959989719. The next prime is 14959989727. The reversal of 14959989720 is 2798995941.

14959989720 is a `hidden beast` number, since 14 + 9 + 599 + 8 + 9 + 7 + 20 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (14959989727) by changing a digit.

It is a polite number, since it can be written in 95 ways as a sum of consecutive naturals, for example, 7379347 + ... + 7381373.

It is an arithmetic number, because the mean of its divisors is an integer number (145331550).

Almost surely, 2^14959989720 is an apocalyptic number.

14959989720 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 14959989720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27903657600).

14959989720 is an abundant number, since it is smaller than the sum of its proper divisors (40847325480).

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

14959989720 is a wasteful number, since it uses less digits than its factorization.

14959989720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2159 (or 2152 counting only the distinct ones).

The product of its (nonzero) digits is 14696640, while the sum is 63.

The spelling of 14959989720 in words is "fourteen billion, nine hundred fifty-nine million, nine hundred eighty-nine thousand, seven hundred twenty".