215132044 has 6 divisors (see below), whose sum is σ = 376481084. Its totient is φ = 107566020.

The previous prime is 215132039. The next prime is 215132051. The reversal of 215132044 is 440231512.

215132044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26891502 + ... + 26891509.

Almost surely, 2^215132044 is an apocalyptic number.

It is an amenable number.

215132044 is a deficient number, since it is larger than the sum of its proper divisors (161349040).

215132044 is a wasteful number, since it uses less digits than its factorization.

215132044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53783015 (or 53783013 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 22.

The square root of 215132044 is about 14667.3802705187. The cubic root of 215132044 is about 599.1952581706.

Adding to 215132044 its reverse (440231512), we get a palindrome (655363556).

The spelling of 215132044 in words is "two hundred fifteen million, one hundred thirty-two thousand, forty-four".