42011342040 has 64 divisors (see below), whose sum is σ = 126050722560. Its totient is φ = 11201540480.

The previous prime is 42011342017. The next prime is 42011342077. The reversal of 42011342040 is 4024311024.

It is a junction number, because it is equal to n+sod(n) for n = 42011341998 and 42011342016.

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, 1120477 + ... + 1157363.

It is an arithmetic number, because the mean of its divisors is an integer number (1969542540).

Almost surely, 2^42011342040 is an apocalyptic number.

42011342040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42011342040 is an abundant number, since it is smaller than the sum of its proper divisors (84039380520).

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

42011342040 is a wasteful number, since it uses less digits than its factorization.

42011342040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 46392 (or 46388 counting only the distinct ones).

The product of its (nonzero) digits is 768, while the sum is 21.

Adding to 42011342040 its reverse (4024311024), we get a palindrome (46035653064).

The spelling of 42011342040 in words is "forty-two billion, eleven million, three hundred forty-two thousand, forty".