40666050 has 72 divisors (see below), whose sum is σ = 113336496. Its totient is φ = 10841040.

The previous prime is 40666007. The next prime is 40666051. The reversal of 40666050 is 5066604.

It is a hoax number, since the sum of its digits (27) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (40666051) 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 35 ways as a sum of consecutive naturals, for example, 10477 + ... + 13823.

It is an arithmetic number, because the mean of its divisors is an integer number (1574118).

Almost surely, 2^40666050 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40666050, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56668248).

40666050 is an abundant number, since it is smaller than the sum of its proper divisors (72670446).

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

40666050 is a wasteful number, since it uses less digits than its factorization.

40666050 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3374 (or 3357 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 40666050 is about 6376.9938058618. The cubic root of 40666050 is about 343.8829656409.

The spelling of 40666050 in words is "forty million, six hundred sixty-six thousand, fifty".