4242143140040 has 128 divisors (see below), whose sum is σ = 10317975333120. Its totient is φ = 1560402508800.

The previous prime is 4242143140009. The next prime is 4242143140091. The reversal of 4242143140040 is 400413412424.

It is a junction number, because it is equal to n+sod(n) for n = 4242143139985 and 4242143140012.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 327799970 + ... + 327812910.

It is an arithmetic number, because the mean of its divisors is an integer number (80609182290).

Almost surely, 2^{4242143140040} is an apocalyptic number.

4242143140040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 4242143140040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5158987666560).

4242143140040 is an abundant number, since it is smaller than the sum of its proper divisors (6075832193080).

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

4242143140040 is a wasteful number, since it uses less digits than its factorization.

4242143140040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15303 (or 15299 counting only the distinct ones).

The product of its (nonzero) digits is 12288, while the sum is 29.

Adding to 4242143140040 its reverse (400413412424), we get a palindrome (4642556552464).

The spelling of 4242143140040 in words is "four trillion, two hundred forty-two billion, one hundred forty-three million, one hundred forty thousand, forty".