42423632424 has 48 divisors (see below), whose sum is σ = 116780912820. Its totient is φ = 13909386240.

The previous prime is 42423632423. The next prime is 42423632437.

42423632424 is nontrivially palindromic in base 10.

It can be written as a sum of positive squares in 2 ways, for example, as 31085216100 + 11338416324 = 176310^2 + 106482^2 .

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a nude number because it is divisible by every one of its digits.

It is not an unprimeable number, because it can be changed into a prime (42423632423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 4825257 + ... + 4834040.

Almost surely, 2^42423632424 is an apocalyptic number.

It is an amenable number.

42423632424 is an abundant number, since it is smaller than the sum of its proper divisors (74357280396).

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

42423632424 is a wasteful number, since it uses less digits than its factorization.

42423632424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9659370 (or 9659363 counting only the distinct ones).

The product of its digits is 221184, while the sum is 36.

The spelling of 42423632424 in words is "forty-two billion, four hundred twenty-three million, six hundred thirty-two thousand, four hundred twenty-four".