16545230240 has 432 divisors, whose sum is σ = 50755826016. Its totient is φ = 5077416960.

The previous prime is 16545230203. The next prime is 16545230257. The reversal of 16545230240 is 4203254561.

It is a super-2 number, since 2×16545230240² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is a junction number, because it is equal to n+sod(n) for n = 16545230197 and 16545230206.

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, 101504399 + ... + 101504561.

It is an arithmetic number, because the mean of its divisors is an integer number (117490338).

Almost surely, 2^16545230240 is an apocalyptic number.

16545230240 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 16545230240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (25377913008).

16545230240 is an abundant number, since it is smaller than the sum of its proper divisors (34210595776).

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

16545230240 is a wasteful number, since it uses less digits than its factorization.

16545230240 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 321 (or 295 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 32.

The spelling of 16545230240 in words is "sixteen billion, five hundred forty-five million, two hundred thirty thousand, two hundred forty".