215834327044 has 12 divisors (see below), whose sum is σ = 431668654144. Its totient is φ = 92500425864.

The previous prime is 215834327021. The next prime is 215834327053. The reversal of 215834327044 is 440723438512.

215834327044 is an admirable number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3854184384 + ... + 3854184439.

Almost surely, 2^215834327044 is an apocalyptic number.

It is an amenable number.

215834327044 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

215834327044 is a wasteful number, since it uses less digits than its factorization.

215834327044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7708368834 (or 7708368832 counting only the distinct ones).

The product of its (nonzero) digits is 645120, while the sum is 43.

The spelling of 215834327044 in words is "two hundred fifteen billion, eight hundred thirty-four million, three hundred twenty-seven thousand, forty-four".