1009446912 has 156 divisors (see below), whose sum is σ = 2951708760. Its totient is φ = 332365824.

The previous prime is 1009446883. The next prime is 1009446923. The reversal of 1009446912 is 2196449001.

It is a happy number.

1009446912 is a `hidden beast` number, since 100 + 94 + 469 + 1 + 2 = 666.

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

It is a zygodrome in base 4.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5123998 + ... + 5124194.

It is an arithmetic number, because the mean of its divisors is an integer number (18921210).

Almost surely, 2^1009446912 is an apocalyptic number.

1009446912 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1009446912, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1475854380).

1009446912 is an abundant number, since it is smaller than the sum of its proper divisors (1942261848).

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

1009446912 is a wasteful number, since it uses less digits than its factorization.

1009446912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 366 (or 341 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 36.

The square root of 1009446912 is about 31771.7942836095. The cubic root of 1009446912 is about 1003.1391063670.

The spelling of 1009446912 in words is "one billion, nine million, four hundred forty-six thousand, nine hundred twelve".