13604961213240 has 64 divisors (see below), whose sum is σ = 42222293431200. Its totient is φ = 3502886564352.

The previous prime is 13604961213223. The next prime is 13604961213247. The reversal of 13604961213240 is 4231216940631.

It is a super-2 number, since 2×13604961213240² (a number of 27 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 13604961213192 and 13604961213201.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13604961213247) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1954732327 + ... + 1954739286.

Almost surely, 2^{13604961213240} is an apocalyptic number.

13604961213240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13604961213240 is an abundant number, since it is smaller than the sum of its proper divisors (28617332217960).

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

13604961213240 is a wasteful number, since it uses less digits than its factorization.

13604961213240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3909471656 (or 3909471652 counting only the distinct ones).

The product of its (nonzero) digits is 186624, while the sum is 42.

The spelling of 13604961213240 in words is "thirteen trillion, six hundred four billion, nine hundred sixty-one million, two hundred thirteen thousand, two hundred forty".