215033054240 has 48 divisors (see below), whose sum is σ = 520406230680. Its totient is φ = 83915335680.

The previous prime is 215033054227. The next prime is 215033054293. The reversal of 215033054240 is 42450330512.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 89408176144 + 125624878096 = 299012^2 + 354436^2 .

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16383155 + ... + 16396274.

Almost surely, 2^215033054240 is an apocalyptic number.

215033054240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

215033054240 is an abundant number, since it is smaller than the sum of its proper divisors (305373176440).

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

215033054240 is a wasteful number, since it uses less digits than its factorization.

215033054240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32779485 (or 32779477 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 29.

Adding to 215033054240 its reverse (42450330512), we get a palindrome (257483384752).

The spelling of 215033054240 in words is "two hundred fifteen billion, thirty-three million, fifty-four thousand, two hundred forty".