42938532 has 192 divisors, whose sum is σ = 145635840. Its totient is φ = 10616832.

The previous prime is 42938509. The next prime is 42938543. The reversal of 42938532 is 23583924.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 166948 + ... + 167204.

It is an arithmetic number, because the mean of its divisors is an integer number (758520).

Almost surely, 2^42938532 is an apocalyptic number.

42938532 is a gapful number since it is divisible by the number (42) 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 42938532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (72817920).

42938532 is an abundant number, since it is smaller than the sum of its proper divisors (102697308).

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

42938532 is a wasteful number, since it uses less digits than its factorization.

42938532 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 307 (or 299 counting only the distinct ones).

The product of its digits is 51840, while the sum is 36.

The square root of 42938532 is about 6552.7499570791. The cubic root of 42938532 is about 350.1727908716.

The spelling of 42938532 in words is "forty-two million, nine hundred thirty-eight thousand, five hundred thirty-two".