42420243110140 has 48 divisors (see below), whose sum is σ = 103097299737600. Its totient is φ = 14359981027392.

The previous prime is 42420243110117. The next prime is 42420243110191. The reversal of 42420243110140 is 4101134202424.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a junction number, because it is equal to n+sod(n) for n = 42420243110099 and 42420243110108.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1917721450 + ... + 1917743569.

It is an arithmetic number, because the mean of its divisors is an integer number (2147860411200).

Almost surely, 2^{42420243110140} is an apocalyptic number.

It is an amenable number.

42420243110140 is an abundant number, since it is smaller than the sum of its proper divisors (60677056627460).

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

42420243110140 is a wasteful number, since it uses less digits than its factorization.

42420243110140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3835465114 (or 3835465112 counting only the distinct ones).

The product of its (nonzero) digits is 6144, while the sum is 28.

Adding to 42420243110140 its reverse (4101134202424), we get a palindrome (46521377312564).

The spelling of 42420243110140 in words is "forty-two trillion, four hundred twenty billion, two hundred forty-three million, one hundred ten thousand, one hundred forty".