14671998990 has 320 divisors, whose sum is σ = 44895375360. Its totient is φ = 3434270400.

The previous prime is 14671998989. The next prime is 14671999037. The reversal of 14671998990 is 9989917641.

14671998990 is a `hidden beast` number, since 1 + 467 + 1 + 9 + 9 + 89 + 90 = 666.

It is a super-2 number, since 2×14671998990² (a number of 21 digits) contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 33421191 + ... + 33421629.

It is an arithmetic number, because the mean of its divisors is an integer number (140298048).

Almost surely, 2^14671998990 is an apocalyptic number.

14671998990 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 14671998990, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22447687680).

14671998990 is an abundant number, since it is smaller than the sum of its proper divisors (30223376370).

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

14671998990 is a wasteful number, since it uses less digits than its factorization.

14671998990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 522 (or 491 counting only the distinct ones).

The product of its (nonzero) digits is 8817984, while the sum is 63.

The spelling of 14671998990 in words is "fourteen billion, six hundred seventy-one million, nine hundred ninety-eight thousand, nine hundred ninety".