1153440030 has 32 divisors (see below), whose sum is σ = 2913955200. Its totient is φ = 291395232.

The previous prime is 1153440017. The next prime is 1153440037. The reversal of 1153440030 is 300443511.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 1153439979 and 1153440006.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1153440037) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1011220 + ... + 1012359.

It is an arithmetic number, because the mean of its divisors is an integer number (91061100).

Almost surely, 2^1153440030 is an apocalyptic number.

1153440030 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1153440030 is an abundant number, since it is smaller than the sum of its proper divisors (1760515170).

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

1153440030 is a wasteful number, since it uses less digits than its factorization.

1153440030 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2023608.

The product of its (nonzero) digits is 720, while the sum is 21.

The square root of 1153440030 is about 33962.3325170696. The cubic root of 1153440030 is about 1048.7331751385.

Adding to 1153440030 its reverse (300443511), we get a palindrome (1453883541).

The spelling of 1153440030 in words is "one billion, one hundred fifty-three million, four hundred forty thousand, thirty".