1147924448 has 48 divisors (see below), whose sum is σ = 2472999984. Its totient is φ = 520181760.

The previous prime is 1147924397. The next prime is 1147924471. The reversal of 1147924448 is 8444297411.

It is a super-2 number, since 2×1147924448² = 2635461076632209408, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a junction number, because it is equal to n+sod(n) for n = 1147924399 and 1147924408.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 113786 + ... + 123462.

It is an arithmetic number, because the mean of its divisors is an integer number (51520833).

Almost surely, 2^1147924448 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 1147924448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1236499992).

1147924448 is an abundant number, since it is smaller than the sum of its proper divisors (1325075536).

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

1147924448 is a wasteful number, since it uses less digits than its factorization.

1147924448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10035 (or 10027 counting only the distinct ones).

The product of its digits is 258048, while the sum is 44.

The square root of 1147924448 is about 33881.0337504628. The cubic root of 1147924448 is about 1047.0588738439.

The spelling of 1147924448 in words is "one billion, one hundred forty-seven million, nine hundred twenty-four thousand, four hundred forty-eight".