216295260442 has 8 divisors (see below), whose sum is σ = 324445831776. Its totient is φ = 108146649852.

The previous prime is 216295260427. The next prime is 216295260443. The reversal of 216295260442 is 244062592612.

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

It is a super-2 number, since 2×216295260442² (a number of 23 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (216295260443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 173478 + ... + 680209.

It is an arithmetic number, because the mean of its divisors is an integer number (40555728972).

Almost surely, 2^216295260442 is an apocalyptic number.

216295260442 is a deficient number, since it is larger than the sum of its proper divisors (108150571334).

216295260442 is a wasteful number, since it uses less digits than its factorization.

216295260442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 980372.

The product of its (nonzero) digits is 414720, while the sum is 43.

The spelling of 216295260442 in words is "two hundred sixteen billion, two hundred ninety-five million, two hundred sixty thousand, four hundred forty-two".