424143223321240 has 32 divisors (see below), whose sum is σ = 954329618160000. Its totient is φ = 169655979873024.

The previous prime is 424143223321219. The next prime is 424143223321249. The reversal of 424143223321240 is 42123322341424.

It is a self number, because there is not a number n which added to its sum of digits gives 424143223321240.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (424143223321249) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 35664840 + ... + 46046359.

It is an arithmetic number, because the mean of its divisors is an integer number (29822800567500).

Almost surely, 2^{424143223321240} is an apocalyptic number.

424143223321240 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

424143223321240 is an abundant number, since it is smaller than the sum of its proper divisors (530186394838760).

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

424143223321240 is a wasteful number, since it uses less digits than its factorization.

424143223321240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 81840979 (or 81840975 counting only the distinct ones).

The product of its (nonzero) digits is 221184, while the sum is 37.

Adding to 424143223321240 its reverse (42123322341424), we get a palindrome (466266545662664).

The spelling of 424143223321240 in words is "four hundred twenty-four trillion, one hundred forty-three billion, two hundred twenty-three million, three hundred twenty-one thousand, two hundred forty".