42652686 has 16 divisors (see below), whose sum is σ = 85554000. Its totient is φ = 14176128.

The previous prime is 42652639. The next prime is 42652691. The reversal of 42652686 is 68625624.

It is a Curzon number.

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 7 ways as a sum of consecutive naturals, for example, 8091 + ... + 12278.

It is an arithmetic number, because the mean of its divisors is an integer number (5347125).

Almost surely, 2^42652686 is an apocalyptic number.

42652686 is an abundant number, since it is smaller than the sum of its proper divisors (42901314).

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

42652686 is a wasteful number, since it uses less digits than its factorization.

42652686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20723.

The product of its digits is 138240, while the sum is 39.

The square root of 42652686 is about 6530.9023878787. The cubic root of 42652686 is about 349.3940153586.

The spelling of 42652686 in words is "forty-two million, six hundred fifty-two thousand, six hundred eighty-six".