14553520420 has 24 divisors (see below), whose sum is σ = 30583091448. Its totient is φ = 5817465600.

The previous prime is 14553520417. The next prime is 14553520481. The reversal of 14553520420 is 2402535541.

It can be written as a sum of positive squares in 4 ways, for example, as 320553216 + 14232967204 = 17904^2 + 119302^2 .

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 216051 + ... + 275290.

It is an arithmetic number, because the mean of its divisors is an integer number (1274295477).

Almost surely, 2^14553520420 is an apocalyptic number.

14553520420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14553520420 is an abundant number, since it is smaller than the sum of its proper divisors (16029571028).

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

14553520420 is a wasteful number, since it uses less digits than its factorization.

14553520420 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 492831 (or 492829 counting only the distinct ones).

The product of its (nonzero) digits is 24000, while the sum is 31.

The spelling of 14553520420 in words is "fourteen billion, five hundred fifty-three million, five hundred twenty thousand, four hundred twenty".