40266166 has 8 divisors (see below), whose sum is σ = 63952200. Its totient is φ = 18948768.

The previous prime is 40266151. The next prime is 40266197. The reversal of 40266166 is 66166204.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 592116 + ... + 592183.

It is an arithmetic number, because the mean of its divisors is an integer number (7994025).

Almost surely, 2^40266166 is an apocalyptic number.

40266166 is a deficient number, since it is larger than the sum of its proper divisors (23686034).

40266166 is a wasteful number, since it uses less digits than its factorization.

40266166 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1184318.

The product of its (nonzero) digits is 10368, while the sum is 31.

The square root of 40266166 is about 6345.5627016050. The cubic root of 40266166 is about 342.7520754281.

The spelling of 40266166 in words is "forty million, two hundred sixty-six thousand, one hundred sixty-six".