1044278064 has 60 divisors (see below), whose sum is σ = 2934752392. Its totient is φ = 346636800.

The previous prime is 1044278063. The next prime is 1044278083. The reversal of 1044278064 is 4608724401.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (1044278063) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19659 + ... + 49749.

Almost surely, 2^1044278064 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1044278064, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1467376196).

1044278064 is an abundant number, since it is smaller than the sum of its proper divisors (1890474328).

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

1044278064 is a wasteful number, since it uses less digits than its factorization.

1044278064 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 30346 (or 30337 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The square root of 1044278064 is about 32315.2914887055. The cubic root of 1044278064 is about 1014.5467214971.

The spelling of 1044278064 in words is "one billion, forty-four million, two hundred seventy-eight thousand, sixty-four".