13204436484560 has 40 divisors (see below), whose sum is σ = 30869929859496. Its totient is φ = 5252593512960.

The previous prime is 13204436484539. The next prime is 13204436484571. The reversal of 13204436484560 is 6548463440231.

It can be written as a sum of positive squares in 4 ways, for example, as 419349495184 + 12785086989376 = 647572^2 + 3575624^2 .

It is a tau number, because it is divible by the number of its divisors (40).

It is a super-2 number, since 2×13204436484560² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13204436484499 and 13204436484508.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 455939819 + ... + 455968778.

Almost surely, 2^{13204436484560} is an apocalyptic number.

13204436484560 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13204436484560 is an abundant number, since it is smaller than the sum of its proper divisors (17665493374936).

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

13204436484560 is a wasteful number, since it uses less digits than its factorization.

13204436484560 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 911908791 (or 911908785 counting only the distinct ones).

The product of its (nonzero) digits is 6635520, while the sum is 50.

The spelling of 13204436484560 in words is "thirteen trillion, two hundred four billion, four hundred thirty-six million, four hundred eighty-four thousand, five hundred sixty".