40861066 has 8 divisors (see below), whose sum is σ = 62030304. Its totient is φ = 20184300.

The previous prime is 40861063. The next prime is 40861097. The reversal of 40861066 is 66016804.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not an unprimeable number, because it can be changed into a prime (40861063) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122910 + ... + 123241.

It is an arithmetic number, because the mean of its divisors is an integer number (7753788).

Almost surely, 2^40861066 is an apocalyptic number.

40861066 is a deficient number, since it is larger than the sum of its proper divisors (21169238).

40861066 is a wasteful number, since it uses less digits than its factorization.

40861066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 246236.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 40861066 is about 6392.2661083531. The cubic root of 40861066 is about 344.4317917039.

It can be divided in two parts, 4086 and 1066, that multiplied together give a triangular number (4355676 = T₂₉₅₁).

The spelling of 40861066 in words is "forty million, eight hundred sixty-one thousand, sixty-six".