42039009024 has 144 divisors (see below), whose sum is σ = 113484188160. Its totient is φ = 13813719040.

The previous prime is 42039009007. The next prime is 42039009041. The reversal of 42039009024 is 42090093024.

It is an interprime number because it is at equal distance from previous prime (42039009007) and next prime (42039009041).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 29458999 + ... + 29460425.

It is an arithmetic number, because the mean of its divisors is an integer number (788084640).

Almost surely, 2^42039009024 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 42039009024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56742094080).

42039009024 is an abundant number, since it is smaller than the sum of its proper divisors (71445179136).

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

42039009024 is a wasteful number, since it uses less digits than its factorization.

42039009024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1966 (or 1952 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 33.

The spelling of 42039009024 in words is "forty-two billion, thirty-nine million, nine thousand, twenty-four".