2012440146 has 32 divisors (see below), whose sum is σ = 4146968448. Its totient is φ = 650655360.

The previous prime is 2012440099. The next prime is 2012440147. The reversal of 2012440146 is 6410442102.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (2012440147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 18915 + ... + 66201.

It is an arithmetic number, because the mean of its divisors is an integer number (129592764).

Almost surely, 2^2012440146 is an apocalyptic number.

2012440146 is an abundant number, since it is smaller than the sum of its proper divisors (2134528302).

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

2012440146 is a wasteful number, since it uses less digits than its factorization.

2012440146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47506.

The product of its (nonzero) digits is 1536, while the sum is 24.

The square root of 2012440146 is about 44860.2290007530. The cubic root of 2012440146 is about 1262.5279193381.

Adding to 2012440146 its reverse (6410442102), we get a palindrome (8422882248).

The spelling of 2012440146 in words is "two billion, twelve million, four hundred forty thousand, one hundred forty-six".