42011646 has 16 divisors (see below), whose sum is σ = 85175184. Its totient is φ = 13811904.

The previous prime is 42011621. The next prime is 42011663. The reversal of 42011646 is 64611024.

42011646 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47521 + ... + 48396.

It is an arithmetic number, because the mean of its divisors is an integer number (5323449).

Almost surely, 2^42011646 is an apocalyptic number.

42011646 is an abundant number, since it is smaller than the sum of its proper divisors (43163538).

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

42011646 is a wasteful number, since it uses less digits than its factorization.

42011646 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95995.

The product of its (nonzero) digits is 1152, while the sum is 24.

The square root of 42011646 is about 6481.6391445374. The cubic root of 42011646 is about 347.6347899372.

The spelling of 42011646 in words is "forty-two million, eleven thousand, six hundred forty-six".