13229054803440 has 800 divisors, whose sum is σ = 55625982280704. Its totient is φ = 2844537937920.

The previous prime is 13229054803421. The next prime is 13229054803541. The reversal of 13229054803440 is 4430845092231.

13229054803440 is a `hidden beast` number, since 1 + 3 + 229 + 0 + 5 + 4 + 80 + 344 + 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 polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 3012763645 + ... + 3012768035.

Almost surely, 2^{13229054803440} is an apocalyptic number.

13229054803440 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 13229054803440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (27812991140352).

13229054803440 is an abundant number, since it is smaller than the sum of its proper divisors (42396927477264).

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

13229054803440 is a wasteful number, since it uses less digits than its factorization.

13229054803440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8347 (or 8332 counting only the distinct ones).

The product of its (nonzero) digits is 829440, while the sum is 45.

Adding to 13229054803440 its reverse (4430845092231), we get a palindrome (17659899895671).

The spelling of 13229054803440 in words is "thirteen trillion, two hundred twenty-nine billion, fifty-four million, eight hundred three thousand, four hundred forty".