1152352240 has 80 divisors (see below), whose sum is σ = 2915313408. Its totient is φ = 421060608.

The previous prime is 1152352219. The next prime is 1152352249. The reversal of 1152352240 is 422532511.

It is a tau number, because it is divible by the number of its divisors (80).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1152352249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 95169 + ... + 106591.

Almost surely, 2^1152352240 is an apocalyptic number.

1152352240 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 1152352240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1457656704).

1152352240 is an abundant number, since it is smaller than the sum of its proper divisors (1762961168).

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

1152352240 is a wasteful number, since it uses less digits than its factorization.

1152352240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11546 (or 11540 counting only the distinct ones).

The product of its (nonzero) digits is 2400, while the sum is 25.

The square root of 1152352240 is about 33946.3140856264. The cubic root of 1152352240 is about 1048.4033905398.

Adding to 1152352240 its reverse (422532511), we get a palindrome (1574884751).

The spelling of 1152352240 in words is "one billion, one hundred fifty-two million, three hundred fifty-two thousand, two hundred forty".