1155404330 has 16 divisors (see below), whose sum is σ = 2082555360. Its totient is φ = 461533392.

The previous prime is 1155404329. The next prime is 1155404353. The reversal of 1155404330 is 334045511.

1155404330 is digitally balanced in base 6, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 1155404330.

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 7 ways as a sum of consecutive naturals, for example, 70784 + ... + 85563.

It is an arithmetic number, because the mean of its divisors is an integer number (130159710).

Almost surely, 2^1155404330 is an apocalyptic number.

1155404330 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1155404330 is a deficient number, since it is larger than the sum of its proper divisors (927151030).

1155404330 is a wasteful number, since it uses less digits than its factorization.

1155404330 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157093.

The product of its (nonzero) digits is 3600, while the sum is 26.

The square root of 1155404330 is about 33991.2390183118. The cubic root of 1155404330 is about 1049.3281658400.

Adding to 1155404330 its reverse (334045511), we get a palindrome (1489449841).

The spelling of 1155404330 in words is "one billion, one hundred fifty-five million, four hundred four thousand, three hundred thirty".