216095442 has 48 divisors (see below), whose sum is σ = 456875328. Its totient is φ = 68127840.

The previous prime is 216095359. The next prime is 216095507. The reversal of 216095442 is 244590612.

216095442 is digitally balanced in base 2 and base 3, because in such bases it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 326592 + ... + 327252.

It is an arithmetic number, because the mean of its divisors is an integer number (9518236).

Almost surely, 2^216095442 is an apocalyptic number.

216095442 is an abundant number, since it is smaller than the sum of its proper divisors (240779886).

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

216095442 is a wasteful number, since it uses less digits than its factorization.

216095442 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 815 (or 792 counting only the distinct ones).

The product of its (nonzero) digits is 17280, while the sum is 33.

The square root of 216095442 is about 14700.1851008754. The cubic root of 216095442 is about 600.0883592093.

The spelling of 216095442 in words is "two hundred sixteen million, ninety-five thousand, four hundred forty-two".