42066356 has 24 divisors (see below), whose sum is σ = 79470720. Its totient is φ = 19423712.

The previous prime is 42066307. The next prime is 42066371. The reversal of 42066356 is 65366024.

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, 5216 + ... + 10551.

It is an arithmetic number, because the mean of its divisors is an integer number (3311280).

Almost surely, 2^42066356 is an apocalyptic number.

42066356 is a gapful number since it is divisible by the number (46) formed by its first and last digit.

It is an amenable number.

42066356 is a deficient number, since it is larger than the sum of its proper divisors (37404364).

42066356 is a wasteful number, since it uses less digits than its factorization.

42066356 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15823 (or 15821 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 32.

The square root of 42066356 is about 6485.8581544773. The cubic root of 42066356 is about 347.7856278692.

The spelling of 42066356 in words is "forty-two million, sixty-six thousand, three hundred fifty-six".