2185494042 has 8 divisors (see below), whose sum is σ = 4370988096. Its totient is φ = 728498012.

The previous prime is 2185494037. The next prime is 2185494071. The reversal of 2185494042 is 2404945812.

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

2185494042 is an admirable 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, 182124498 + ... + 182124509.

It is an arithmetic number, because the mean of its divisors is an integer number (546373512).

Almost surely, 2^2185494042 is an apocalyptic number.

2185494042 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

2185494042 is a wasteful number, since it uses less digits than its factorization.

2185494042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 364249012.

The product of its (nonzero) digits is 92160, while the sum is 39.

The square root of 2185494042 is about 46749.2678231435. The cubic root of 2185494042 is about 1297.7266069660.

The spelling of 2185494042 in words is "two billion, one hundred eighty-five million, four hundred ninety-four thousand, forty-two".