14500253840 has 40 divisors (see below), whose sum is σ = 33718129848. Its totient is φ = 5799234560.

The previous prime is 14500253839. The next prime is 14500253851. The reversal of 14500253840 is 4835200541.

It can be written as a sum of positive squares in 4 ways, for example, as 5681541376 + 8818712464 = 75376^2 + 93908^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×14500253840² (a number of 21 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 14500253797 and 14500253806.

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, 955754 + ... + 970806.

Almost surely, 2^14500253840 is an apocalyptic number.

14500253840 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14500253840 is an abundant number, since it is smaller than the sum of its proper divisors (19217876008).

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

14500253840 is a wasteful number, since it uses less digits than its factorization.

14500253840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27107 (or 27101 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 32.

The spelling of 14500253840 in words is "fourteen billion, five hundred million, two hundred fifty-three thousand, eight hundred forty".