42099024 has 80 divisors (see below), whose sum is σ = 120420864. Its totient is φ = 12566400.

The previous prime is 42099017. The next prime is 42099049.

42099024 is nontrivially palindromic in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 42098982 and 42099000.

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, 36927 + ... + 38049.

Almost surely, 2^42099024 is an apocalyptic number.

42099024 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 42099024, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (60210432).

42099024 is an abundant number, since it is smaller than the sum of its proper divisors (78321840).

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

42099024 is a wasteful number, since it uses less digits than its factorization.

42099024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1216 (or 1210 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 42099024 is about 6488.3760680158. The cubic root of 42099024 is about 347.8756326632.

The spelling of 42099024 in words is "forty-two million, ninety-nine thousand, twenty-four".