13843366420 has 48 divisors (see below), whose sum is σ = 31315889808. Its totient is φ = 5109995520.

The previous prime is 13843366409. The next prime is 13843366457. The reversal of 13843366420 is 2466334831.

It can be written as a sum of positive squares in 8 ways, for example, as 1170460944 + 12672905476 = 34212^2 + 112574^2 .

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1847722 + ... + 1855198.

It is an arithmetic number, because the mean of its divisors is an integer number (652414371).

Almost surely, 2^13843366420 is an apocalyptic number.

13843366420 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13843366420 is an abundant number, since it is smaller than the sum of its proper divisors (17472523388).

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

13843366420 is a wasteful number, since it uses less digits than its factorization.

13843366420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14620 (or 14618 counting only the distinct ones).

The product of its (nonzero) digits is 248832, while the sum is 40.

The spelling of 13843366420 in words is "thirteen billion, eight hundred forty-three million, three hundred sixty-six thousand, four hundred twenty".