14503957920 has 144 divisors (see below), whose sum is σ = 51201619560. Its totient is φ = 3734341632.

The previous prime is 14503957901. The next prime is 14503957957. The reversal of 14503957920 is 2975930541.

It is a happy number.

14503957920 is a `hidden beast` number, since 1 + 4 + 50 + 3 + 9 + 579 + 20 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 12233244816 + 2270713104 = 110604^2 + 47652^2 .

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 131899 + ... + 215418.

Almost surely, 2^14503957920 is an apocalyptic number.

14503957920 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14503957920 is an abundant number, since it is smaller than the sum of its proper divisors (36697661640).

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

14503957920 is a wasteful number, since it uses less digits than its factorization.

14503957920 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 347367 (or 347356 counting only the distinct ones).

The product of its (nonzero) digits is 340200, while the sum is 45.

The spelling of 14503957920 in words is "fourteen billion, five hundred three million, nine hundred fifty-seven thousand, nine hundred twenty".