215200532140 has 48 divisors (see below), whose sum is σ = 493906420224. Its totient is φ = 78111633600.

The previous prime is 215200532101. The next prime is 215200532153. The reversal of 215200532140 is 41235002512.

215200532140 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×215200532140² (a number of 23 digits) contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 773796 + ... + 1014475.

It is an arithmetic number, because the mean of its divisors is an integer number (10289717088).

Almost surely, 2^215200532140 is an apocalyptic number.

215200532140 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215200532140 is an abundant number, since it is smaller than the sum of its proper divisors (278705888084).

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

215200532140 is a wasteful number, since it uses less digits than its factorization.

215200532140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1788838 (or 1788836 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

Adding to 215200532140 its reverse (41235002512), we get a palindrome (256435534652).

The spelling of 215200532140 in words is "two hundred fifteen billion, two hundred million, five hundred thirty-two thousand, one hundred forty".