1118920448 has 72 divisors (see below), whose sum is σ = 2318386560. Its totient is φ = 538398720.

The previous prime is 1118920447. The next prime is 1118920477. The reversal of 1118920448 is 8440298111.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1118920447) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2198018 + ... + 2198526.

Almost surely, 2^1118920448 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 1118920448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1159193280).

1118920448 is an abundant number, since it is smaller than the sum of its proper divisors (1199466112).

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

1118920448 is an equidigital number, since it uses as much as digits as its factorization.

1118920448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 833 (or 819 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 38.

The square root of 1118920448 is about 33450.2682799406. The cubic root of 1118920448 is about 1038.1650483821.

The spelling of 1118920448 in words is "one billion, one hundred eighteen million, nine hundred twenty thousand, four hundred forty-eight".