42059520 has 144 divisors (see below), whose sum is σ = 149375520. Its totient is φ = 11206656.

The previous prime is 42059497. The next prime is 42059527. The reversal of 42059520 is 2595024.

It is a tau number, because it is divible by the number of its divisors (144).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (42059527) 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, 33952 + ... + 35168.

It is an arithmetic number, because the mean of its divisors is an integer number (1037330).

Almost surely, 2^42059520 is an apocalyptic number.

42059520 is a gapful number since it is divisible by the number (40) 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 42059520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (74687760).

42059520 is an abundant number, since it is smaller than the sum of its proper divisors (107316000).

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

42059520 is a wasteful number, since it uses less digits than its factorization.

42059520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1247 (or 1227 counting only the distinct ones).

The product of its (nonzero) digits is 3600, while the sum is 27.

The square root of 42059520 is about 6485.3311403505. The cubic root of 42059520 is about 347.7667878620.

The spelling of 42059520 in words is "forty-two million, fifty-nine thousand, five hundred twenty".