1103604480 has 288 divisors, whose sum is σ = 4273758720. Its totient is φ = 267448320.

The previous prime is 1103604461. The next prime is 1103604529. The reversal of 1103604480 is 844063011.

1103604480 is a `hidden beast` number, since 1 + 10 + 3 + 604 + 48 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (288).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 378709 + ... + 381611.

It is an arithmetic number, because the mean of its divisors is an integer number (14839440).

Almost surely, 2^1103604480 is an apocalyptic number.

1103604480 is a gapful number since it is divisible by the number (10) 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 1103604480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2136879360).

1103604480 is an abundant number, since it is smaller than the sum of its proper divisors (3170154240).

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

1103604480 is a wasteful number, since it uses less digits than its factorization.

1103604480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2944 (or 2924 counting only the distinct ones).

The product of its (nonzero) digits is 2304, while the sum is 27.

The square root of 1103604480 is about 33220.5430419191. The cubic root of 1103604480 is about 1033.4064112961.

Adding to 1103604480 its reverse (844063011), we get a palindrome (1947667491).

The spelling of 1103604480 in words is "one billion, one hundred three million, six hundred four thousand, four hundred eighty".