1105540450 has 60 divisors (see below), whose sum is σ = 2399140530. Its totient is φ = 379001280.

The previous prime is 1105540433. The next prime is 1105540451. The reversal of 1105540450 is 540455011.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 617174649 + 488365801 = 24843^2 + 22099^2 .

It is a Harshad number since it is a multiple of its sum of digits (25).

It is not an unprimeable number, because it can be changed into a prime (1105540451) by changing a digit.

It is a polite number, since it can be written in 29 ways as a sum of consecutive naturals, for example, 115446 + ... + 124654.

Almost surely, 2^1105540450 is an apocalyptic number.

1105540450 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1105540450 is an abundant number, since it is smaller than the sum of its proper divisors (1293600080).

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

1105540450 is an frugal number, since it uses more digits than its factorization.

1105540450 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9249 (or 9223 counting only the distinct ones).

The product of its (nonzero) digits is 2000, while the sum is 25.

The square root of 1105540450 is about 33249.6684193993. The cubic root of 1105540450 is about 1034.0103339047.

Adding to 1105540450 its reverse (540455011), we get a palindrome (1645995461).

The spelling of 1105540450 in words is "one billion, one hundred five million, five hundred forty thousand, four hundred fifty".