42126392 has 48 divisors (see below), whose sum is σ = 99239280. Its totient is φ = 16410240.

The previous prime is 42126389. The next prime is 42126443. The reversal of 42126392 is 29362124.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 3668 + ... + 9884.

It is an arithmetic number, because the mean of its divisors is an integer number (2067485).

Almost surely, 2^42126392 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 42126392, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49619640).

42126392 is an abundant number, since it is smaller than the sum of its proper divisors (57112888).

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

42126392 is a wasteful number, since it uses less digits than its factorization.

42126392 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6252 (or 6237 counting only the distinct ones).

The product of its digits is 5184, while the sum is 29.

The square root of 42126392 is about 6490.4847276609. The cubic root of 42126392 is about 347.9509993983.

The spelling of 42126392 in words is "forty-two million, one hundred twenty-six thousand, three hundred ninety-two".