42558824507 has 4 divisors (see below), whose sum is σ = 42559529160. Its totient is φ = 42558119856.

The previous prime is 42558824453. The next prime is 42558824509. The reversal of 42558824507 is 70542885524.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 42558824507 - 2¹⁶ = 42558758971 is a prime.

It is a super-2 number, since 2×42558824507² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42558824509) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 252257 + ... + 385682.

It is an arithmetic number, because the mean of its divisors is an integer number (10639882290).

Almost surely, 2^42558824507 is an apocalyptic number.

42558824507 is a deficient number, since it is larger than the sum of its proper divisors (704653).

42558824507 is an equidigital number, since it uses as much as digits as its factorization.

42558824507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704652.

The product of its (nonzero) digits is 3584000, while the sum is 50.

The spelling of 42558824507 in words is "forty-two billion, five hundred fifty-eight million, eight hundred twenty-four thousand, five hundred seven".