1100432430 has 48 divisors (see below), whose sum is σ = 2888926560. Its totient is φ = 290597184.

The previous prime is 1100432419. The next prime is 1100432449. The reversal of 1100432430 is 342340011.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 50085 + ... + 68624.

It is an arithmetic number, because the mean of its divisors is an integer number (60185970).

Almost surely, 2^1100432430 is an apocalyptic number.

1100432430 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1100432430 is an abundant number, since it is smaller than the sum of its proper divisors (1788494130).

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

1100432430 is a wasteful number, since it uses less digits than its factorization.

1100432430 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 118825 (or 118822 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 1100432430 is about 33172.7663905198. The cubic root of 1100432430 is about 1032.4153670953.

Adding to 1100432430 its reverse (342340011), we get a palindrome (1442772441).

It can be divided in two parts, 11004 and 32430, that added together give a palindrome (43434).

The spelling of 1100432430 in words is "one billion, one hundred million, four hundred thirty-two thousand, four hundred thirty".