240435251144 has 16 divisors (see below), whose sum is σ = 491799377520. Its totient is φ = 109288750480.

The previous prime is 240435251143. The next prime is 240435251149. The reversal of 240435251144 is 441152534042.

It is a happy number.

It is not an unprimeable number, because it can be changed into a prime (240435251143) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1366109294 + ... + 1366109469.

It is an arithmetic number, because the mean of its divisors is an integer number (30737461095).

Almost surely, 2^240435251144 is an apocalyptic number.

It is an amenable number.

240435251144 is an abundant number, since it is smaller than the sum of its proper divisors (251364126376).

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

240435251144 is a wasteful number, since it uses less digits than its factorization.

240435251144 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2732218780 (or 2732218776 counting only the distinct ones).

The product of its (nonzero) digits is 76800, while the sum is 35.

Adding to 240435251144 its reverse (441152534042), we get a palindrome (681587785186).

The spelling of 240435251144 in words is "two hundred forty billion, four hundred thirty-five million, two hundred fifty-one thousand, one hundred forty-four".