1442037789 has 32 divisors (see below), whose sum is σ = 2216064000. Its totient is φ = 925670592.

The previous prime is 1442037787. The next prime is 1442037799. The reversal of 1442037789 is 9877302441.

It is not a de Polignac number, because 1442037789 - 2¹ = 1442037787 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442037781) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 308532 + ... + 313170.

It is an arithmetic number, because the mean of its divisors is an integer number (69252000).

Almost surely, 2^1442037789 is an apocalyptic number.

It is an amenable number.

1442037789 is a deficient number, since it is larger than the sum of its proper divisors (774026211).

1442037789 is a wasteful number, since it uses less digits than its factorization.

1442037789 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5074 (or 5068 counting only the distinct ones).

The product of its (nonzero) digits is 338688, while the sum is 45.

The square root of 1442037789 is about 37974.1726572153. The cubic root of 1442037789 is about 1129.7756593826.

The spelling of 1442037789 in words is "one billion, four hundred forty-two million, thirty-seven thousand, seven hundred eighty-nine".