42489939324 has 192 divisors, whose sum is σ = 123610726400. Its totient is φ = 11085465600.

The previous prime is 42489939311. The next prime is 42489939329. The reversal of 42489939324 is 42393998424.

It is a super-3 number, since 3×42489939324³ (a number of 33 digits) contains 333 as substring.

It is a Smith number, since the sum of its digits (57) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (57).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42489939329) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 13406412 + ... + 13409580.

Almost surely, 2^42489939324 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42489939324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61805363200).

42489939324 is an abundant number, since it is smaller than the sum of its proper divisors (81120787076).

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

42489939324 is a wasteful number, since it uses less digits than its factorization.

42489939324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3504 (or 3502 counting only the distinct ones).

The product of its digits is 13436928, while the sum is 57.

The spelling of 42489939324 in words is "forty-two billion, four hundred eighty-nine million, nine hundred thirty-nine thousand, three hundred twenty-four".