13944269430 has 144 divisors (see below), whose sum is σ = 44867178720. Its totient is φ = 2942065152.

The previous prime is 13944269429. The next prime is 13944269447. The reversal of 13944269430 is 3496244931.

13944269430 is a `hidden beast` number, since 139 + 4 + 426 + 94 + 3 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 40986 + ... + 171954.

It is an arithmetic number, because the mean of its divisors is an integer number (311577630).

Almost surely, 2^13944269430 is an apocalyptic number.

13944269430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13944269430, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22433589360).

13944269430 is an abundant number, since it is smaller than the sum of its proper divisors (30922909290).

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

13944269430 is a wasteful number, since it uses less digits than its factorization.

13944269430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 131015 (or 130999 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 45.

The spelling of 13944269430 in words is "thirteen billion, nine hundred forty-four million, two hundred sixty-nine thousand, four hundred thirty".