1944402076 has 6 divisors (see below), whose sum is σ = 3402703640. Its totient is φ = 972201036.

The previous prime is 1944402071. The next prime is 1944402101. The reversal of 1944402076 is 6702044491.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1944402071) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 243050256 + ... + 243050263.

Almost surely, 2^1944402076 is an apocalyptic number.

It is an amenable number.

1944402076 is a deficient number, since it is larger than the sum of its proper divisors (1458301564).

1944402076 is a wasteful number, since it uses less digits than its factorization.

1944402076 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 486100523 (or 486100521 counting only the distinct ones).

The product of its (nonzero) digits is 48384, while the sum is 37.

The square root of 1944402076 is about 44095.3747687895. The cubic root of 1944402076 is about 1248.1363323218.

The spelling of 1944402076 in words is "one billion, nine hundred forty-four million, four hundred two thousand, seventy-six".