42406243635 has 32 divisors (see below), whose sum is σ = 77561003520. Its totient is φ = 19381171968.

The previous prime is 42406243613. The next prime is 42406243637. The reversal of 42406243635 is 53634260424.

It is not a de Polignac number, because 42406243635 - 2¹⁰ = 42406242611 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 42406243593 and 42406243602.

It is not an unprimeable number, because it can be changed into a prime (42406243637) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 425671 + ... + 515759.

It is an arithmetic number, because the mean of its divisors is an integer number (2423781360).

Almost surely, 2^42406243635 is an apocalyptic number.

42406243635 is a deficient number, since it is larger than the sum of its proper divisors (35154759885).

42406243635 is a wasteful number, since it uses less digits than its factorization.

42406243635 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 94587.

The product of its (nonzero) digits is 414720, while the sum is 39.

The spelling of 42406243635 in words is "forty-two billion, four hundred six million, two hundred forty-three thousand, six hundred thirty-five".