2190418242 has 16 divisors (see below), whose sum is σ = 4384219392. Its totient is φ = 729575600.

The previous prime is 2190418229. The next prime is 2190418277. The reversal of 2190418242 is 2428140912.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 132498 + ... + 148109.

It is an arithmetic number, because the mean of its divisors is an integer number (274013712).

Almost surely, 2^2190418242 is an apocalyptic number.

2190418242 is an abundant number, since it is smaller than the sum of its proper divisors (2193801150).

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

2190418242 is a wasteful number, since it uses less digits than its factorization.

2190418242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 281913.

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 2190418242 is about 46801.9042561304. The cubic root of 2190418242 is about 1298.7005243610.

The spelling of 2190418242 in words is "two billion, one hundred ninety million, four hundred eighteen thousand, two hundred forty-two".