1240144330220 has 12 divisors (see below), whose sum is σ = 2604303093504. Its totient is φ = 496057732080.

The previous prime is 1240144330157. The next prime is 1240144330333. The reversal of 1240144330220 is 220334410421.

It is a self number, because there is not a number n which added to its sum of digits gives 1240144330220.

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, 31003608236 + ... + 31003608275.

It is an arithmetic number, because the mean of its divisors is an integer number (217025257792).

Almost surely, 2^{1240144330220} is an apocalyptic number.

1240144330220 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1240144330220 is an abundant number, since it is smaller than the sum of its proper divisors (1364158763284).

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

1240144330220 is a wasteful number, since it uses less digits than its factorization.

1240144330220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 62007216520 (or 62007216518 counting only the distinct ones).

The product of its (nonzero) digits is 4608, while the sum is 26.

Adding to 1240144330220 its reverse (220334410421), we get a palindrome (1460478740641).

The spelling of 1240144330220 in words is "one trillion, two hundred forty billion, one hundred forty-four million, three hundred thirty thousand, two hundred twenty".