42003528 has 64 divisors (see below), whose sum is σ = 126336000. Its totient is φ = 11368512.

The previous prime is 42003491. The next prime is 42003539. The reversal of 42003528 is 82530024.

It is a Harshad number since it is a multiple of its sum of digits (24).

It is a junction number, because it is equal to n+sod(n) for n = 42003498 and 42003507.

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, 3388 + ... + 9771.

It is an arithmetic number, because the mean of its divisors is an integer number (1974000).

Almost surely, 2^42003528 is an apocalyptic number.

It is an amenable number.

42003528 is an abundant number, since it is smaller than the sum of its proper divisors (84332472).

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

42003528 is a wasteful number, since it uses less digits than its factorization.

42003528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13194 (or 13190 counting only the distinct ones).

The product of its (nonzero) digits is 1920, while the sum is 24.

The square root of 42003528 is about 6481.0128838014. The cubic root of 42003528 is about 347.6123970907.

The spelling of 42003528 in words is "forty-two million, three thousand, five hundred twenty-eight".