1442697044 has 24 divisors (see below), whose sum is σ = 2745487080. Its totient is φ = 660566016.

The previous prime is 1442696987. The next prime is 1442697049. The reversal of 1442697044 is 4407962441.

It can be written as a sum of positive squares in 4 ways, for example, as 1091509444 + 351187600 = 33038^2 + 18740^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1442696992 and 1442697010.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1442697049) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 284189 + ... + 289220.

It is an arithmetic number, because the mean of its divisors is an integer number (114395295).

Almost surely, 2^1442697044 is an apocalyptic number.

It is an amenable number.

1442697044 is a deficient number, since it is larger than the sum of its proper divisors (1302790036).

1442697044 is a wasteful number, since it uses less digits than its factorization.

1442697044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 573467 (or 573465 counting only the distinct ones).

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 1442697044 is about 37982.8519729627. The cubic root of 1442697044 is about 1129.9477992959.

The spelling of 1442697044 in words is "one billion, four hundred forty-two million, six hundred ninety-seven thousand, forty-four".