1100434340 has 12 divisors (see below), whose sum is σ = 2310912156. Its totient is φ = 440173728.

The previous prime is 1100434303. The next prime is 1100434367. The reversal of 1100434340 is 434340011.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 347151424 + 753282916 = 18632^2 + 27446^2 .

It is a Harshad number since it is a multiple of its sum of digits (20), and also a Moran number because the ratio is a prime number: 55021717 = 1100434340 / (1 + 1 + 0 + 0 + 4 + 3 + 4 + 3 + 4 + 0).

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27510839 + ... + 27510878.

It is an arithmetic number, because the mean of its divisors is an integer number (192576013).

Almost surely, 2^1100434340 is an apocalyptic number.

1100434340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1100434340 is an abundant number, since it is smaller than the sum of its proper divisors (1210477816).

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

1100434340 is a wasteful number, since it uses less digits than its factorization.

1100434340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 55021726 (or 55021724 counting only the distinct ones).

The product of its (nonzero) digits is 576, while the sum is 20.

The square root of 1100434340 is about 33172.7951791826. The cubic root of 1100434340 is about 1032.4159644097.

Adding to 1100434340 its reverse (434340011), we get a palindrome (1534774351).

The spelling of 1100434340 in words is "one billion, one hundred million, four hundred thirty-four thousand, three hundred forty".