42023255140 has 24 divisors (see below), whose sum is σ = 88256653632. Its totient is φ = 16807812960.

The previous prime is 42023255123. The next prime is 42023255189. The reversal of 42023255140 is 4155232024.

It is a junction number, because it is equal to n+sod(n) for n = 42023255099 and 42023255108.

It is an unprimeable number.

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, 154387 + ... + 328453.

It is an arithmetic number, because the mean of its divisors is an integer number (3677360568).

Almost surely, 2^42023255140 is an apocalyptic number.

It is an amenable number.

42023255140 is an abundant number, since it is smaller than the sum of its proper divisors (46233398492).

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

42023255140 is a wasteful number, since it uses less digits than its factorization.

42023255140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 186147 (or 186145 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 28.

Adding to 42023255140 its reverse (4155232024), we get a palindrome (46178487164).

The spelling of 42023255140 in words is "forty-two billion, twenty-three million, two hundred fifty-five thousand, one hundred forty".