42142131342040 has 96 divisors (see below), whose sum is σ = 95523264522000. Its totient is φ = 16732683682560.

The previous prime is 42142131342037. The next prime is 42142131342053. The reversal of 42142131342040 is 4024313124124.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 42142131341993 and 42142131342011.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 872501811 + ... + 872550109.

Almost surely, 2^{42142131342040} is an apocalyptic number.

42142131342040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

42142131342040 is an abundant number, since it is smaller than the sum of its proper divisors (53381133179960).

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

42142131342040 is a wasteful number, since it uses less digits than its factorization.

42142131342040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 49457 (or 49290 counting only the distinct ones).

The product of its (nonzero) digits is 18432, while the sum is 31.

Adding to 42142131342040 its reverse (4024313124124), we get a palindrome (46166444466164).

The spelling of 42142131342040 in words is "forty-two trillion, one hundred forty-two billion, one hundred thirty-one million, three hundred forty-two thousand, forty".