11398880448 has 168 divisors, whose sum is σ = 33792218928. Its totient is φ = 3671635968.

The previous prime is 11398880411. The next prime is 11398880453. The reversal of 11398880448 is 84408889311.

11398880448 is a `hidden beast` number, since 11 + 39 + 88 + 80 + 448 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 11398880394 and 11398880403.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 2042590 + ... + 2048162.

Almost surely, 2^11398880448 is an apocalyptic number.

11398880448 is a gapful number since it is divisible by the number (18) 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 11398880448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16896109464).

11398880448 is an abundant number, since it is smaller than the sum of its proper divisors (22393338480).

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

11398880448 is a wasteful number, since it uses less digits than its factorization.

11398880448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5711 (or 5698 counting only the distinct ones).

The product of its (nonzero) digits is 1769472, while the sum is 54.

The spelling of 11398880448 in words is "eleven billion, three hundred ninety-eight million, eight hundred eighty thousand, four hundred forty-eight".