14279633856 has 140 divisors (see below), whose sum is σ = 42389930968. Its totient is φ = 4753064448.

The previous prime is 14279633827. The next prime is 14279633903. The reversal of 14279633856 is 65833697241.

It is a super-2 number, since 2×14279633856² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 4700370 + ... + 4703406.

Almost surely, 2^14279633856 is an apocalyptic number.

14279633856 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 14279633856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (21194965484).

14279633856 is an abundant number, since it is smaller than the sum of its proper divisors (28110297112).

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

14279633856 is an equidigital number, since it uses as much as digits as its factorization.

14279633856 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3968 (or 3949 counting only the distinct ones).

The product of its digits is 6531840, while the sum is 54.

The spelling of 14279633856 in words is "fourteen billion, two hundred seventy-nine million, six hundred thirty-three thousand, eight hundred fifty-six".