40383066 has 16 divisors (see below), whose sum is σ = 80879904. Its totient is φ = 13442064.

The previous prime is 40383043. The next prime is 40383067. The reversal of 40383066 is 66038304.

It is not an unprimeable number, because it can be changed into a prime (40383067) by changing a digit.

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, 285 + ... + 8991.

It is an arithmetic number, because the mean of its divisors is an integer number (5054994).

Almost surely, 2^40383066 is an apocalyptic number.

40383066 is an abundant number, since it is smaller than the sum of its proper divisors (40496838).

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

40383066 is a wasteful number, since it uses less digits than its factorization.

40383066 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9485.

The product of its (nonzero) digits is 10368, while the sum is 30.

The square root of 40383066 is about 6354.7671869235. The cubic root of 40383066 is about 343.0834454871.

The spelling of 40383066 in words is "forty million, three hundred eighty-three thousand, sixty-six".