1152450440 has 32 divisors (see below), whose sum is σ = 2594675160. Its totient is φ = 460684800.

The previous prime is 1152450419. The next prime is 1152450449. The reversal of 1152450440 is 440542511.

It can be written as a sum of positive squares in 4 ways, for example, as 1151787844 + 662596 = 33938^2 + 814^2 .

It is not an unprimeable number, because it can be changed into a prime (1152450449) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60470 + ... + 77210.

Almost surely, 2^1152450440 is an apocalyptic number.

1152450440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1152450440 is an abundant number, since it is smaller than the sum of its proper divisors (1442224720).

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

1152450440 is a wasteful number, since it uses less digits than its factorization.

1152450440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18473 (or 18469 counting only the distinct ones).

The product of its (nonzero) digits is 3200, while the sum is 26.

The square root of 1152450440 is about 33947.7604563247. The cubic root of 1152450440 is about 1048.4331702909.

Adding to 1152450440 its reverse (440542511), we get a palindrome (1592992951).

The spelling of 1152450440 in words is "one billion, one hundred fifty-two million, four hundred fifty thousand, four hundred forty".