13455681750 has 432 divisors, whose sum is σ = 44078141952. Its totient is φ = 2952936000.

The previous prime is 13455681739. The next prime is 13455681773. The reversal of 13455681750 is 5718655431.

13455681750 is a `hidden beast` number, since 1 + 34 + 5 + 568 + 1 + 7 + 50 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a junction number, because it is equal to n+sod(n) for n = 13455681696 and 13455681705.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 215 ways as a sum of consecutive naturals, for example, 105950187 + ... + 105950313.

It is an arithmetic number, because the mean of its divisors is an integer number (102032736).

Almost surely, 2^13455681750 is an apocalyptic number.

13455681750 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 13455681750, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (22039070976).

13455681750 is an abundant number, since it is smaller than the sum of its proper divisors (30622460202).

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

13455681750 is a wasteful number, since it uses less digits than its factorization.

13455681750 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 226 (or 175 counting only the distinct ones).

The product of its (nonzero) digits is 504000, while the sum is 45.

The spelling of 13455681750 in words is "thirteen billion, four hundred fifty-five million, six hundred eighty-one thousand, seven hundred fifty".