13445550531040 has 96 divisors (see below), whose sum is σ = 33875618847840. Its totient is φ = 5025437958144.

The previous prime is 13445550531037. The next prime is 13445550531047. The reversal of 13445550531040 is 4013505554431.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 13445550530984 and 13445550531002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (13445550531047) 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, 17403277 + ... + 18159436.

It is an arithmetic number, because the mean of its divisors is an integer number (352871029665).

Almost surely, 2^{13445550531040} is an apocalyptic number.

13445550531040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

13445550531040 is an abundant number, since it is smaller than the sum of its proper divisors (20430068316800).

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

13445550531040 is a wasteful number, since it uses less digits than its factorization.

13445550531040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35562884 (or 35562876 counting only the distinct ones).

The product of its (nonzero) digits is 360000, while the sum is 40.

The spelling of 13445550531040 in words is "thirteen trillion, four hundred forty-five billion, five hundred fifty million, five hundred thirty-one thousand, forty".