42169344 has 176 divisors, whose sum is σ = 134414208. Its totient is φ = 11501568.

The previous prime is 42169343. The next prime is 42169349. The reversal of 42169344 is 44396124.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42169343) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 795622 + ... + 795674.

Almost surely, 2^42169344 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 42169344, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (67207104).

42169344 is an abundant number, since it is smaller than the sum of its proper divisors (92244864).

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

42169344 is a wasteful number, since it uses less digits than its factorization.

42169344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120 (or 102 counting only the distinct ones).

The product of its digits is 20736, while the sum is 33.

The square root of 42169344 is about 6493.7927284446. The cubic root of 42169344 is about 348.0692159852.

The spelling of 42169344 in words is "forty-two million, one hundred sixty-nine thousand, three hundred forty-four".