240440553146 has 8 divisors (see below), whose sum is σ = 361935250464. Its totient is φ = 119795469660.

The previous prime is 240440553121. The next prime is 240440553149. The reversal of 240440553146 is 641355044042.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (240440553149) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 212402750 + ... + 212403881.

It is an arithmetic number, because the mean of its divisors is an integer number (45241906308).

Almost surely, 2^240440553146 is an apocalyptic number.

240440553146 is a deficient number, since it is larger than the sum of its proper divisors (121494697318).

240440553146 is a wasteful number, since it uses less digits than its factorization.

240440553146 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 424806916.

The product of its (nonzero) digits is 230400, while the sum is 38.

Adding to 240440553146 its reverse (641355044042), we get a palindrome (881795597188).

The spelling of 240440553146 in words is "two hundred forty billion, four hundred forty million, five hundred fifty-three thousand, one hundred forty-six".