216252044 has 24 divisors (see below), whose sum is σ = 384115200. Its totient is φ = 106517376.

The previous prime is 216252037. The next prime is 216252067. The reversal of 216252044 is 440252612.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 74264 + ... + 77120.

It is an arithmetic number, because the mean of its divisors is an integer number (16004800).

Almost surely, 2^216252044 is an apocalyptic number.

It is an amenable number.

216252044 is a deficient number, since it is larger than the sum of its proper divisors (167863156).

216252044 is a wasteful number, since it uses less digits than its factorization.

216252044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3137 (or 3135 counting only the distinct ones).

The product of its (nonzero) digits is 3840, while the sum is 26.

The square root of 216252044 is about 14705.5106677735. The cubic root of 216252044 is about 600.2332833604.

The spelling of 216252044 in words is "two hundred sixteen million, two hundred fifty-two thousand, forty-four".