42361566 has 16 divisors (see below), whose sum is σ = 91240464. Its totient is φ = 13034304.

The previous prime is 42361541. The next prime is 42361577. The reversal of 42361566 is 66516324.

42361566 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, 271471 + ... + 271626.

It is an arithmetic number, because the mean of its divisors is an integer number (5702529).

Almost surely, 2^42361566 is an apocalyptic number.

42361566 is an abundant number, since it is smaller than the sum of its proper divisors (48878898).

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

42361566 is a wasteful number, since it uses less digits than its factorization.

42361566 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 543115.

The product of its digits is 25920, while the sum is 33.

The square root of 42361566 is about 6508.5763420275. The cubic root of 42361566 is about 348.5972864611.

The spelling of 42361566 in words is "forty-two million, three hundred sixty-one thousand, five hundred sixty-six".