1150134440 has 128 divisors (see below), whose sum is σ = 3215842560. Its totient is φ = 360474624.

The previous prime is 1150134437. The next prime is 1150134449. The reversal of 1150134440 is 444310511.

It is a super-2 number, since 2×1150134440² = 2645618460148227200, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1150134449) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 388004 + ... + 390956.

It is an arithmetic number, because the mean of its divisors is an integer number (25123770).

Almost surely, 2^1150134440 is an apocalyptic number.

1150134440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1150134440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1607921280).

1150134440 is an abundant number, since it is smaller than the sum of its proper divisors (2065708120).

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

1150134440 is a wasteful number, since it uses less digits than its factorization.

1150134440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3091 (or 3087 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 1150134440 is about 33913.6320673560. The cubic root of 1150134440 is about 1047.7303780688.

Adding to 1150134440 its reverse (444310511), we get a palindrome (1594444951).

The spelling of 1150134440 in words is "one billion, one hundred fifty million, one hundred thirty-four thousand, four hundred forty".