42140933406 has 48 divisors (see below), whose sum is σ = 107267837040. Its totient is φ = 11787672960.

The previous prime is 42140933399. The next prime is 42140933407. The reversal of 42140933406 is 60433904124.

It is a happy number.

42140933406 is a `hidden beast` number, since 4 + 214 + 0 + 9 + 33 + 406 = 666.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42140933407) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8183311 + ... + 8188458.

It is an arithmetic number, because the mean of its divisors is an integer number (2234746605).

Almost surely, 2^42140933406 is an apocalyptic number.

42140933406 is an abundant number, since it is smaller than the sum of its proper divisors (65126903634).

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

42140933406 is a wasteful number, since it uses less digits than its factorization.

42140933406 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16371801 (or 16371798 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 36.

The spelling of 42140933406 in words is "forty-two billion, one hundred forty million, nine hundred thirty-three thousand, four hundred six".