240143434240 has 80 divisors (see below), whose sum is σ = 600815527488. Its totient is φ = 91880943616.

The previous prime is 240143434231. The next prime is 240143434313. The reversal of 240143434240 is 42434341042.

240143434240 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1980382 + ... + 2098141.

Almost surely, 2^240143434240 is an apocalyptic number.

240143434240 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240143434240 is an abundant number, since it is smaller than the sum of its proper divisors (360672093248).

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

240143434240 is an equidigital number, since it uses as much as digits as its factorization.

240143434240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4078569 (or 4078553 counting only the distinct ones).

The product of its (nonzero) digits is 36864, while the sum is 31.

Adding to 240143434240 its reverse (42434341042), we get a palindrome (282577775282).

The spelling of 240143434240 in words is "two hundred forty billion, one hundred forty-three million, four hundred thirty-four thousand, two hundred forty".