42405324487 has 8 divisors (see below), whose sum is σ = 44613645552. Its totient is φ = 40252910400.

The previous prime is 42405324473. The next prime is 42405324499. The reversal of 42405324487 is 78442350424.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-42405324487 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42405324407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 13975189 + ... + 13978222.

It is an arithmetic number, because the mean of its divisors is an integer number (5576705694).

Almost surely, 2^42405324487 is an apocalyptic number.

42405324487 is a deficient number, since it is larger than the sum of its proper divisors (2208321065).

42405324487 is a wasteful number, since it uses less digits than its factorization.

42405324487 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 27953489.

The product of its (nonzero) digits is 860160, while the sum is 43.

The spelling of 42405324487 in words is "forty-two billion, four hundred five million, three hundred twenty-four thousand, four hundred eighty-seven".