1178618448 has 80 divisors (see below), whose sum is σ = 3493526400. Its totient is φ = 335413248.

The previous prime is 1178618447. The next prime is 1178618471. The reversal of 1178618448 is 8448168711.

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

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 1178618397 and 1178618406.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1178618443) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 79528 + ... + 93176.

It is an arithmetic number, because the mean of its divisors is an integer number (43669080).

Almost surely, 2^1178618448 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 1178618448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1746763200).

1178618448 is an abundant number, since it is smaller than the sum of its proper divisors (2314907952).

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

1178618448 is a wasteful number, since it uses less digits than its factorization.

1178618448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13924 (or 13918 counting only the distinct ones).

The product of its digits is 344064, while the sum is 48.

The square root of 1178618448 is about 34331.0129183512. The cubic root of 1178618448 is about 1056.3092385202.

The spelling of 1178618448 in words is "one billion, one hundred seventy-eight million, six hundred eighteen thousand, four hundred forty-eight".