240140452 has 12 divisors (see below), whose sum is σ = 420441840. Its totient is φ = 120014216.

The previous prime is 240140429. The next prime is 240140491. The reversal of 240140452 is 254041042.

It is a happy number.

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, 3478 + ... + 22189.

It is an arithmetic number, because the mean of its divisors is an integer number (35036820).

Almost surely, 2^240140452 is an apocalyptic number.

It is an amenable number.

240140452 is a deficient number, since it is larger than the sum of its proper divisors (180301388).

240140452 is a wasteful number, since it uses less digits than its factorization.

240140452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28010 (or 28008 counting only the distinct ones).

The product of its (nonzero) digits is 1280, while the sum is 22.

The square root of 240140452 is about 15496.4657906246. The cubic root of 240140452 is about 621.5677045004.

Adding to 240140452 its reverse (254041042), we get a palindrome (494181494).

The spelling of 240140452 in words is "two hundred forty million, one hundred forty thousand, four hundred fifty-two".