216013042 has 32 divisors (see below), whose sum is σ = 380390400. Its totient is φ = 90088848.

The previous prime is 216013013. The next prime is 216013073. The reversal of 216013042 is 240310612.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 83809 + ... + 86347.

It is an arithmetic number, because the mean of its divisors is an integer number (11887200).

Almost surely, 2^216013042 is an apocalyptic number.

216013042 is a deficient number, since it is larger than the sum of its proper divisors (164377358).

216013042 is a wasteful number, since it uses less digits than its factorization.

216013042 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2710.

The product of its (nonzero) digits is 288, while the sum is 19.

The square root of 216013042 is about 14697.3821478520. The cubic root of 216013042 is about 600.0120756829.

Adding to 216013042 its reverse (240310612), we get a palindrome (456323654).

The spelling of 216013042 in words is "two hundred sixteen million, thirteen thousand, forty-two".