1995042044 has 12 divisors (see below), whose sum is σ = 3491636568. Its totient is φ = 997431600.

The previous prime is 1995042029. The next prime is 1995042053. The reversal of 1995042044 is 4402405991.

It is a junction number, because it is equal to n+sod(n) for n = 1995041989 and 1995042007.

It is a congruent 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, 73679 + ... + 97049.

It is an arithmetic number, because the mean of its divisors is an integer number (290969714).

Almost surely, 2^1995042044 is an apocalyptic number.

It is an amenable number.

1995042044 is a deficient number, since it is larger than the sum of its proper divisors (1496594524).

1995042044 is a wasteful number, since it uses less digits than its factorization.

1995042044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44716 (or 44714 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 38.

The square root of 1995042044 is about 44665.8935206719. The cubic root of 1995042044 is about 1258.8790828941.

The spelling of 1995042044 in words is "one billion, nine hundred ninety-five million, forty-two thousand, forty-four".