42404113287 has 12 divisors (see below), whose sum is σ = 63362468520. Its totient is φ = 27294601488.

The previous prime is 42404113243. The next prime is 42404113291. The reversal of 42404113287 is 78231140424.

42404113287 is a `hidden beast` number, since 42 + 404 + 1 + 132 + 87 = 666.

It is not a de Polignac number, because 42404113287 - 2⁷ = 42404113159 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42404153287) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 81233673 + ... + 81234194.

It is an arithmetic number, because the mean of its divisors is an integer number (5280205710).

Almost surely, 2^42404113287 is an apocalyptic number.

42404113287 is a deficient number, since it is larger than the sum of its proper divisors (20958355233).

42404113287 is a wasteful number, since it uses less digits than its factorization.

42404113287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 162467902 (or 162467899 counting only the distinct ones).

The product of its (nonzero) digits is 43008, while the sum is 36.

The spelling of 42404113287 in words is "forty-two billion, four hundred four million, one hundred thirteen thousand, two hundred eighty-seven".