1113908400 has 360 divisors, whose sum is σ = 4403932416. Its totient is φ = 258086400.

The previous prime is 1113908381. The next prime is 1113908401. The reversal of 1113908400 is 48093111.

It is a tau number, because it is divible by the number of its divisors (360).

It is not an unprimeable number, because it can be changed into a prime (1113908401) by changing a digit.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 910189 + ... + 911411.

Almost surely, 2^1113908400 is an apocalyptic number.

1113908400 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 1113908400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2201966208).

1113908400 is an abundant number, since it is smaller than the sum of its proper divisors (3290024016).

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

1113908400 is a wasteful number, since it uses less digits than its factorization.

1113908400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1281 (or 1267 counting only the distinct ones).

The product of its (nonzero) digits is 864, while the sum is 27.

The square root of 1113908400 is about 33375.2662910725. The cubic root of 1113908400 is about 1036.6126229596.

The spelling of 1113908400 in words is "one billion, one hundred thirteen million, nine hundred eight thousand, four hundred".