40366471 has 4 divisors (see below), whose sum is σ = 40674744. Its totient is φ = 40058200.

The previous prime is 40366429. The next prime is 40366511. The reversal of 40366471 is 17466304.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40366471 - 2¹⁵ = 40333703 is a prime.

It is a super-3 number, since 3×40366471³ (a number of 24 digits) contains 333 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40366171) 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, 153940 + ... + 154201.

It is an arithmetic number, because the mean of its divisors is an integer number (10168686).

Almost surely, 2^40366471 is an apocalyptic number.

40366471 is a deficient number, since it is larger than the sum of its proper divisors (308273).

40366471 is a wasteful number, since it uses less digits than its factorization.

40366471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 308272.

The product of its (nonzero) digits is 12096, while the sum is 31.

The square root of 40366471 is about 6353.4613400886. The cubic root of 40366471 is about 343.0364435264.

The spelling of 40366471 in words is "forty million, three hundred sixty-six thousand, four hundred seventy-one".