14253439220 has 24 divisors (see below), whose sum is σ = 29981077224. Its totient is φ = 5692070016.

The previous prime is 14253439177. The next prime is 14253439231. The reversal of 14253439220 is 2293435241.

It can be written as a sum of positive squares in 4 ways, for example, as 171819664 + 14081619556 = 13108^2 + 118666^2 .

It is a congruent number.

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, 569039 + ... + 593558.

It is an arithmetic number, because the mean of its divisors is an integer number (1249211551).

Almost surely, 2^14253439220 is an apocalyptic number.

14253439220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

14253439220 is an abundant number, since it is smaller than the sum of its proper divisors (15727638004).

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

14253439220 is a wasteful number, since it uses less digits than its factorization.

14253439220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1163219 (or 1163217 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 35.

The spelling of 14253439220 in words is "fourteen billion, two hundred fifty-three million, four hundred thirty-nine thousand, two hundred twenty".