1105528400 has 60 divisors (see below), whose sum is σ = 2683507932. Its totient is φ = 437637120.

The previous prime is 1105528393. The next prime is 1105528421. The reversal of 1105528400 is 48255011.

It can be written as a sum of positive squares in 6 ways, for example, as 24960016 + 1080568384 = 4996^2 + 32872^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1105528400.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 24554 + ... + 53046.

Almost surely, 2^1105528400 is an apocalyptic number.

1105528400 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 1105528400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1341753966).

1105528400 is an abundant number, since it is smaller than the sum of its proper divisors (1577979532).

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

1105528400 is a wasteful number, since it uses less digits than its factorization.

1105528400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28608 (or 28597 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 26.

The square root of 1105528400 is about 33249.4872140910. The cubic root of 1105528400 is about 1034.0065771087.

The spelling of 1105528400 in words is "one billion, one hundred five million, five hundred twenty-eight thousand, four hundred".