42424550531 has 8 divisors (see below), whose sum is σ = 46291751424. Its totient is φ = 38559086920.

The previous prime is 42424550503. The next prime is 42424550537. The reversal of 42424550531 is 13505542424.

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-42424550531 is a prime.

It is a super-2 number, since 2×42424550531² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 42424550491 and 42424550500.

It is not an unprimeable number, because it can be changed into a prime (42424550537) 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, 382991 + ... + 481176.

It is an arithmetic number, because the mean of its divisors is an integer number (5786468928).

Almost surely, 2^42424550531 is an apocalyptic number.

42424550531 is a deficient number, since it is larger than the sum of its proper divisors (3867200893).

42424550531 is a wasteful number, since it uses less digits than its factorization.

42424550531 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 868641.

The product of its (nonzero) digits is 96000, while the sum is 35.

The spelling of 42424550531 in words is "forty-two billion, four hundred twenty-four million, five hundred fifty thousand, five hundred thirty-one".