1047478944 has 96 divisors (see below), whose sum is σ = 2796970176. Its totient is φ = 343203840.

The previous prime is 1047478931. The next prime is 1047478963. The reversal of 1047478944 is 4498747401.

1047478944 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (96).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is a junction number, because it is equal to n+sod(n) for n = 1047478893 and 1047478902.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1834179 + ... + 1834749.

It is an arithmetic number, because the mean of its divisors is an integer number (29135106).

Almost surely, 2^1047478944 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 1047478944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1398485088).

1047478944 is an abundant number, since it is smaller than the sum of its proper divisors (1749491232).

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

1047478944 is a wasteful number, since it uses less digits than its factorization.

1047478944 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 878 (or 870 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 48.

The square root of 1047478944 is about 32364.7793751170. The cubic root of 1047478944 is about 1015.5822470859.

The spelling of 1047478944 in words is "one billion, forty-seven million, four hundred seventy-eight thousand, nine hundred forty-four".