1029440864 has 12 divisors (see below), whose sum is σ = 2026711764. Its totient is φ = 514720416.

The previous prime is 1029440849. The next prime is 1029440873. The reversal of 1029440864 is 4680449201.

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 as a sum of consecutive naturals, namely, 16084982 + ... + 16085045.

It is an arithmetic number, because the mean of its divisors is an integer number (168892647).

Almost surely, 2^1029440864 is an apocalyptic number.

It is an amenable number.

1029440864 is a deficient number, since it is larger than the sum of its proper divisors (997270900).

1029440864 is an equidigital number, since it uses as much as digits as its factorization.

1029440864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 32170037 (or 32170029 counting only the distinct ones).

The product of its (nonzero) digits is 55296, while the sum is 38.

The square root of 1029440864 is about 32084.9008725288. The cubic root of 1029440864 is about 1009.7188591087.

The spelling of 1029440864 in words is "one billion, twenty-nine million, four hundred forty thousand, eight hundred sixty-four".