2044540146 has 24 divisors (see below), whose sum is σ = 4494610512. Its totient is φ = 619557400.

The previous prime is 2044540093. The next prime is 2044540159. The reversal of 2044540146 is 6410454402.

It is a happy number.

It is a Curzon number.

It is an unprimeable number.

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 11 ways as a sum of consecutive naturals, for example, 1407360 + ... + 1408811.

It is an arithmetic number, because the mean of its divisors is an integer number (187275438).

Almost surely, 2^2044540146 is an apocalyptic number.

2044540146 is an abundant number, since it is smaller than the sum of its proper divisors (2450070366).

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

2044540146 is a wasteful number, since it uses less digits than its factorization.

2044540146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2816198 (or 2816187 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 2044540146 is about 45216.5914902926. The cubic root of 2044540146 is about 1269.2053114210.

Adding to 2044540146 its reverse (6410454402), we get a palindrome (8454994548).

The spelling of 2044540146 in words is "two billion, forty-four million, five hundred forty thousand, one hundred forty-six".