13285240488444 has 24 divisors (see below), whose sum is σ = 31104692755920. Its totient is φ = 4413299455744.

The previous prime is 13285240488349. The next prime is 13285240488463. The reversal of 13285240488444 is 44488404258231.

It is a super-2 number, since 2×13285240488444² (a number of 27 digits) contains 22 as substring.

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 7 ways as a sum of consecutive naturals, for example, 1889251389 + ... + 1889258420.

It is an arithmetic number, because the mean of its divisors is an integer number (1296028864830).

Almost surely, 2^{13285240488444} is an apocalyptic number.

It is an amenable number.

13285240488444 is an abundant number, since it is smaller than the sum of its proper divisors (17819452267476).

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

13285240488444 is a wasteful number, since it uses less digits than its factorization.

13285240488444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3778510109 (or 3778510107 counting only the distinct ones).

The product of its (nonzero) digits is 31457280, while the sum is 57.

The spelling of 13285240488444 in words is "thirteen trillion, two hundred eighty-five billion, two hundred forty million, four hundred eighty-eight thousand, four hundred forty-four".