13424400233450 has 12 divisors (see below), whose sum is σ = 24969384434310. Its totient is φ = 5369760093360.

The previous prime is 13424400233429. The next prime is 13424400233477. The reversal of 13424400233450 is 5433200442431.

It can be written as a sum of positive squares in 3 ways, for example, as 10408901996089 + 3015498237361 = 3226283^2 + 1736519^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 13424400233450.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 134244002285 + ... + 134244002384.

Almost surely, 2^{13424400233450} is an apocalyptic number.

13424400233450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

13424400233450 is a deficient number, since it is larger than the sum of its proper divisors (11544984200860).

13424400233450 is a wasteful number, since it uses less digits than its factorization.

13424400233450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 268488004681 (or 268488004676 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 13424400233450 its reverse (5433200442431), we get a palindrome (18857600675881).

The spelling of 13424400233450 in words is "thirteen trillion, four hundred twenty-four billion, four hundred million, two hundred thirty-three thousand, four hundred fifty".