1042386816 has 64 divisors (see below), whose sum is σ = 2914588800. Its totient is φ = 329172480.

The previous prime is 1042386809. The next prime is 1042386827. The reversal of 1042386816 is 6186832401.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 64140 + ... + 78731.

It is an arithmetic number, because the mean of its divisors is an integer number (45540450).

Almost surely, 2^1042386816 is an apocalyptic number.

1042386816 is a gapful number since it is divisible by the number (16) formed by its first and last digit.

It is an amenable number.

1042386816 is an abundant number, since it is smaller than the sum of its proper divisors (1872201984).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1042386816 is a wasteful number, since it uses less digits than its factorization.

1042386816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 142907 (or 142895 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 39.

The square root of 1042386816 is about 32286.0157963165. The cubic root of 1042386816 is about 1013.9338837805.

The spelling of 1042386816 in words is "one billion, forty-two million, three hundred eighty-six thousand, eight hundred sixteen".