42321524056506 has 48 divisors (see below), whose sum is σ = 92509486565184. Its totient is φ = 13982124385152.

The previous prime is 42321524056489. The next prime is 42321524056531. The reversal of 42321524056506 is 60565042512324.

42321524056506 is a `hidden beast` number, since 4 + 2 + 3 + 2 + 1 + 52 + 40 + 56 + 506 = 666.

It is a super-2 number, since 2×42321524056506² (a number of 28 digits) contains 22 as substring.

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, 200501835 + ... + 200712801.

It is an arithmetic number, because the mean of its divisors is an integer number (1927280970108).

Almost surely, 2^{42321524056506} is an apocalyptic number.

42321524056506 is an abundant number, since it is smaller than the sum of its proper divisors (50187962508678).

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

42321524056506 is a wasteful number, since it uses less digits than its factorization.

42321524056506 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 309715 (or 309712 counting only the distinct ones).

The product of its (nonzero) digits is 1728000, while the sum is 45.

The spelling of 42321524056506 in words is "forty-two trillion, three hundred twenty-one billion, five hundred twenty-four million, fifty-six thousand, five hundred six".