14856355840 has 72 divisors (see below), whose sum is σ = 35656690860. Its totient is φ = 5942280192.

The previous prime is 14856355817. The next prime is 14856355849. The reversal of 14856355840 is 4855365841.

It can be written as a sum of positive squares in 2 ways, for example, as 14048886784 + 807469056 = 118528^2 + 28416^2 .

It is a super-2 number, since 2×14856355840² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (14856355849) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 644026 + ... + 666694.

Almost surely, 2^14856355840 is an apocalyptic number.

14856355840 is a gapful number since it is divisible by the number (10) 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 14856355840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17828345430).

14856355840 is an abundant number, since it is smaller than the sum of its proper divisors (20800335020).

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

14856355840 is an frugal number, since it uses more digits than its factorization.

14856355840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22708 (or 22676 counting only the distinct ones).

The product of its (nonzero) digits is 2304000, while the sum is 49.

The spelling of 14856355840 in words is "fourteen billion, eight hundred fifty-six million, three hundred fifty-five thousand, eight hundred forty".