1044321978 has 32 divisors (see below), whose sum is σ = 2396123136. Its totient is φ = 297240048.

The previous prime is 1044321977. The next prime is 1044321989. The reversal of 1044321978 is 8791234401.

It is not an unprimeable number, because it can be changed into a prime (1044321977) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 36226 + ... + 58317.

It is an arithmetic number, because the mean of its divisors is an integer number (74878848).

Almost surely, 2^1044321978 is an apocalyptic number.

1044321978 is an abundant number, since it is smaller than the sum of its proper divisors (1351801158).

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

1044321978 is a wasteful number, since it uses less digits than its factorization.

1044321978 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94818.

The product of its (nonzero) digits is 48384, while the sum is 39.

The square root of 1044321978 is about 32315.9709431730. The cubic root of 1044321978 is about 1014.5609425435.

The spelling of 1044321978 in words is "one billion, forty-four million, three hundred twenty-one thousand, nine hundred seventy-eight".