42421005507 has 8 divisors (see below), whose sum is σ = 56562299584. Its totient is φ = 28280190888.

The previous prime is 42421005493. The next prime is 42421005527. The reversal of 42421005507 is 70550012424.

42421005507 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is not a de Polignac number, because 42421005507 - 2¹⁸ = 42420743363 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (42421005527) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 246948 + ... + 381870.

It is an arithmetic number, because the mean of its divisors is an integer number (7070287448).

Almost surely, 2^42421005507 is an apocalyptic number.

42421005507 is a deficient number, since it is larger than the sum of its proper divisors (14141294077).

42421005507 is a wasteful number, since it uses less digits than its factorization.

42421005507 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 239729.

The product of its (nonzero) digits is 11200, while the sum is 30.

The spelling of 42421005507 in words is "forty-two billion, four hundred twenty-one million, five thousand, five hundred seven".