13240050623550 has 144 divisors (see below), whose sum is σ = 35739502890000. Its totient is φ = 3514026032640.

The previous prime is 13240050623543. The next prime is 13240050623561. The reversal of 13240050623550 is 5532605004231.

13240050623550 is a `hidden beast` number, since 1 + 3 + 2 + 40 + 0 + 5 + 0 + 62 + 3 + 550 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 314178381 + ... + 314220519.

Almost surely, 2^{13240050623550} is an apocalyptic number.

13240050623550 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 13240050623550, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17869751445000).

13240050623550 is an abundant number, since it is smaller than the sum of its proper divisors (22499452266450).

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

13240050623550 is a wasteful number, since it uses less digits than its factorization.

13240050623550 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45435 (or 45427 counting only the distinct ones).

The product of its (nonzero) digits is 108000, while the sum is 36.

Adding to 13240050623550 its reverse (5532605004231), we get a palindrome (18772655627781).

The spelling of 13240050623550 in words is "thirteen trillion, two hundred forty billion, fifty million, six hundred twenty-three thousand, five hundred fifty".