14450991620 has 48 divisors (see below), whose sum is σ = 33735733248. Its totient is φ = 5163626880.

The previous prime is 14450991613. The next prime is 14450991637. The reversal of 14450991620 is 2619905441.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 888404 + ... + 904523.

It is an arithmetic number, because the mean of its divisors is an integer number (702827776).

Almost surely, 2^14450991620 is an apocalyptic number.

14450991620 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14450991620 is an abundant number, since it is smaller than the sum of its proper divisors (19284741628).

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

14450991620 is a wasteful number, since it uses less digits than its factorization.

14450991620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1792980 (or 1792978 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 41.

The spelling of 14450991620 in words is "fourteen billion, four hundred fifty million, nine hundred ninety-one thousand, six hundred twenty".