13450672261240 has 128 divisors (see below), whose sum is σ = 31145473607040. Its totient is φ = 5225645408256.

The previous prime is 13450672261199. The next prime is 13450672261349. The reversal of 13450672261240 is 4216227605431.

13450672261240 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 723417384 + ... + 723435976.

It is an arithmetic number, because the mean of its divisors is an integer number (243324012555).

Almost surely, 2^{13450672261240} is an apocalyptic number.

13450672261240 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 13450672261240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15572736803520).

13450672261240 is an abundant number, since it is smaller than the sum of its proper divisors (17694801345800).

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

13450672261240 is a wasteful number, since it uses less digits than its factorization.

13450672261240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22073 (or 22069 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 43.

Adding to 13450672261240 its reverse (4216227605431), we get a palindrome (17666899866671).

The spelling of 13450672261240 in words is "thirteen trillion, four hundred fifty billion, six hundred seventy-two million, two hundred sixty-one thousand, two hundred forty".