1945035444 has 24 divisors (see below), whose sum is σ = 4950999648. Its totient is φ = 589404640.

The previous prime is 1945035419. The next prime is 1945035461. The reversal of 1945035444 is 4445305491.

It is a congruent 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 7 ways as a sum of consecutive naturals, for example, 7367427 + ... + 7367690.

It is an arithmetic number, because the mean of its divisors is an integer number (206291652).

Almost surely, 2^1945035444 is an apocalyptic number.

It is an amenable number.

1945035444 is an abundant number, since it is smaller than the sum of its proper divisors (3005964204).

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

1945035444 is a wasteful number, since it uses less digits than its factorization.

1945035444 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14735135 (or 14735133 counting only the distinct ones).

The product of its (nonzero) digits is 172800, while the sum is 39.

The square root of 1945035444 is about 44102.5559803511. Note that the first 3 decimals coincide. The cubic root of 1945035444 is about 1248.2718399246.

The spelling of 1945035444 in words is "one billion, nine hundred forty-five million, thirty-five thousand, four hundred forty-four".