14221540256 has 96 divisors (see below), whose sum is σ = 35174684160. Its totient is φ = 5498438400.

The previous prime is 14221540211. The next prime is 14221540327. The reversal of 14221540256 is 65204512241.

It is a Harshad number since it is a multiple of its sum of digits (32).

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, 300755 + ... + 344813.

It is an arithmetic number, because the mean of its divisors is an integer number (366402960).

Almost surely, 2^14221540256 is an apocalyptic number.

14221540256 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 14221540256, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17587342080).

14221540256 is an abundant number, since it is smaller than the sum of its proper divisors (20953143904).

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

14221540256 is a wasteful number, since it uses less digits than its factorization.

14221540256 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44218 (or 44210 counting only the distinct ones).

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

The spelling of 14221540256 in words is "fourteen billion, two hundred twenty-one million, five hundred forty thousand, two hundred fifty-six".