13602673602640 has 40 divisors (see below), whose sum is σ = 31645234003968. Its totient is φ = 5437797548160.

The previous prime is 13602673602619. The next prime is 13602673602641. The reversal of 13602673602640 is 4620637620631.

It is a happy number.

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

It is a super-2 number, since 2×13602673602640² (a number of 27 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13602673602641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50989456 + ... + 51255535.

Almost surely, 2^{13602673602640} is an apocalyptic number.

13602673602640 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13602673602640 is an abundant number, since it is smaller than the sum of its proper divisors (18042560401328).

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

13602673602640 is a wasteful number, since it uses less digits than its factorization.

13602673602640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 102246667 (or 102246661 counting only the distinct ones).

The product of its (nonzero) digits is 1306368, while the sum is 46.

The spelling of 13602673602640 in words is "thirteen trillion, six hundred two billion, six hundred seventy-three million, six hundred two thousand, six hundred forty".