1042444305 has 24 divisors (see below), whose sum is σ = 2065033152. Its totient is φ = 476545824.

The previous prime is 1042444297. The next prime is 1042444339. The reversal of 1042444305 is 5034442401.

It is a happy number.

It is not a de Polignac number, because 1042444305 - 2³ = 1042444297 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1654359 + ... + 1654988.

It is an arithmetic number, because the mean of its divisors is an integer number (86043048).

Almost surely, 2^1042444305 is an apocalyptic number.

1042444305 is a gapful number since it is divisible by the number (15) formed by its first and last digit.

It is an amenable number.

1042444305 is a deficient number, since it is larger than the sum of its proper divisors (1022588847).

1042444305 is a wasteful number, since it uses less digits than its factorization.

1042444305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3309365 (or 3309362 counting only the distinct ones).

The product of its (nonzero) digits is 7680, while the sum is 27.

The square root of 1042444305 is about 32286.9060920987. The cubic root of 1042444305 is about 1013.9525233656.

Adding to 1042444305 its reverse (5034442401), we get a palindrome (6076886706).

The spelling of 1042444305 in words is "one billion, forty-two million, four hundred forty-four thousand, three hundred five".