1150343440 has 20 divisors (see below), whose sum is σ = 2674548684. Its totient is φ = 460137344.

The previous prime is 1150343401. The next prime is 1150343461. The reversal of 1150343440 is 443430511.

It can be written as a sum of positive squares in 2 ways, for example, as 277022736 + 873320704 = 16644^2 + 29552^2 .

It is a tau number, because it is divible by the number of its divisors (20).

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, 7189567 + ... + 7189726.

Almost surely, 2^1150343440 is an apocalyptic number.

1150343440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1150343440 is an abundant number, since it is smaller than the sum of its proper divisors (1524205244).

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

1150343440 is a wasteful number, since it uses less digits than its factorization.

1150343440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14379306 (or 14379300 counting only the distinct ones).

The product of its (nonzero) digits is 2880, while the sum is 25.

The square root of 1150343440 is about 33916.7132841612. The cubic root of 1150343440 is about 1047.7938380084.

Adding to 1150343440 its reverse (443430511), we get a palindrome (1593773951).

The spelling of 1150343440 in words is "one billion, one hundred fifty million, three hundred forty-three thousand, four hundred forty".