1105225440 has 384 divisors, whose sum is σ = 4180377600. Its totient is φ = 242288640.

The previous prime is 1105225439. The next prime is 1105225489. The reversal of 1105225440 is 445225011.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a self number, because there is not a number n which added to its sum of digits gives 1105225440.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 2307121 + ... + 2307599.

It is an arithmetic number, because the mean of its divisors is an integer number (10886400).

Almost surely, 2^1105225440 is an apocalyptic number.

1105225440 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 1105225440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2090188800).

1105225440 is an abundant number, since it is smaller than the sum of its proper divisors (3075152160).

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

1105225440 is a wasteful number, since it uses less digits than its factorization.

1105225440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 550 (or 542 counting only the distinct ones).

The product of its (nonzero) digits is 1600, while the sum is 24.

The square root of 1105225440 is about 33244.9310421905. The cubic root of 1105225440 is about 1033.9121151144.

The spelling of 1105225440 in words is "one billion, one hundred five million, two hundred twenty-five thousand, four hundred forty".