216442054 has 8 divisors (see below), whose sum is σ = 324787320. Its totient is φ = 108179616.

The previous prime is 216442033. The next prime is 216442073. The reversal of 216442054 is 450244612.

216442054 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent 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, 13699 + ... + 24910.

It is an arithmetic number, because the mean of its divisors is an integer number (40598415).

Almost surely, 2^216442054 is an apocalyptic number.

216442054 is a deficient number, since it is larger than the sum of its proper divisors (108345266).

216442054 is a wasteful number, since it uses less digits than its factorization.

216442054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41414.

The product of its (nonzero) digits is 7680, while the sum is 28.

The square root of 216442054 is about 14711.9697525518. The cubic root of 216442054 is about 600.4090303528.

Adding to 216442054 its reverse (450244612), we get a palindrome (666686666).

It can be divided in two parts, 216 and 442054, that added together give a triangular number (442270 = T₉₄₀).

The spelling of 216442054 in words is "two hundred sixteen million, four hundred forty-two thousand, fifty-four".