1105352440 has 32 divisors (see below), whose sum is σ = 2509062480. Its totient is φ = 438226432.

The previous prime is 1105352401. The next prime is 1105352449. The reversal of 1105352440 is 442535011.

It is a happy number.

It is a super-2 number, since 2×1105352440² = 2443608033227907200, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1105352449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 117754 + ... + 126793.

Almost surely, 2^1105352440 is an apocalyptic number.

1105352440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1105352440 is an abundant number, since it is smaller than the sum of its proper divisors (1403710040).

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

1105352440 is a wasteful number, since it uses less digits than its factorization.

1105352440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 244671 (or 244667 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1105352440 is about 33246.8410529482. The cubic root of 1105352440 is about 1033.9517154242.

Adding to 1105352440 its reverse (442535011), we get a palindrome (1547887451).

The spelling of 1105352440 in words is "one billion, one hundred five million, three hundred fifty-two thousand, four hundred forty".