16215413240 has 128 divisors (see below), whose sum is σ = 39677299200. Its totient is φ = 5928768000.

The previous prime is 16215413239. The next prime is 16215413243. The reversal of 16215413240 is 4231451261.

16215413240 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 not an unprimeable number, because it can be changed into a prime (16215413243) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 36936941 + ... + 36937379.

It is an arithmetic number, because the mean of its divisors is an integer number (309978900).

Almost surely, 2^16215413240 is an apocalyptic number.

16215413240 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 16215413240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (19838649600).

16215413240 is an abundant number, since it is smaller than the sum of its proper divisors (23461885960).

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

16215413240 is a wasteful number, since it uses less digits than its factorization.

16215413240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 997 (or 993 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The spelling of 16215413240 in words is "sixteen billion, two hundred fifteen million, four hundred thirteen thousand, two hundred forty".