240342504130340 has 12 divisors (see below), whose sum is σ = 504719258673756. Its totient is φ = 96137001652128.

The previous prime is 240342504130273. The next prime is 240342504130357. The reversal of 240342504130340 is 43031405243042.

It can be written as a sum of positive squares in 2 ways, for example, as 181640795946724 + 58701708183616 = 13477418^2 + 7661704^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 240342504130340.

It is an unprimeable number.

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, 6008562603239 + ... + 6008562603278.

It is an arithmetic number, because the mean of its divisors is an integer number (42059938222813).

Almost surely, 2^{240342504130340} is an apocalyptic number.

240342504130340 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

240342504130340 is an abundant number, since it is smaller than the sum of its proper divisors (264376754543416).

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

240342504130340 is a wasteful number, since it uses less digits than its factorization.

240342504130340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12017125206526 (or 12017125206524 counting only the distinct ones).

The product of its (nonzero) digits is 138240, while the sum is 35.

Adding to 240342504130340 its reverse (43031405243042), we get a palindrome (283373909373382).

The spelling of 240342504130340 in words is "two hundred forty trillion, three hundred forty-two billion, five hundred four million, one hundred thirty thousand, three hundred forty".