42032556 has 18 divisors (see below), whose sum is σ = 106249052. Its totient is φ = 14010840.

The previous prime is 42032539. The next prime is 42032561. The reversal of 42032556 is 65523024.

It is a tau number, because it is divible by the number of its divisors (18).

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 583750 + ... + 583821.

Almost surely, 2^42032556 is an apocalyptic number.

It is an amenable number.

42032556 is an abundant number, since it is smaller than the sum of its proper divisors (64216496).

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

42032556 is a wasteful number, since it uses less digits than its factorization.

42032556 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1167581 (or 1167576 counting only the distinct ones).

The product of its (nonzero) digits is 7200, while the sum is 27.

The square root of 42032556 is about 6483.2519617858. The cubic root of 42032556 is about 347.6924551999.

The spelling of 42032556 in words is "forty-two million, thirty-two thousand, five hundred fifty-six".