40466465 has 8 divisors (see below), whose sum is σ = 52295208. Its totient is φ = 29882880.

The previous prime is 40466423. The next prime is 40466473. The reversal of 40466465 is 56466404.

It can be written as a sum of positive squares in 4 ways, for example, as 5230369 + 35236096 = 2287^2 + 5936^2 .

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

It is not a de Polignac number, because 40466465 - 2¹⁸ = 40204321 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is an unprimeable number.

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, 311216 + ... + 311345.

It is an arithmetic number, because the mean of its divisors is an integer number (6536901).

Almost surely, 2^40466465 is an apocalyptic number.

It is an amenable number.

40466465 is a deficient number, since it is larger than the sum of its proper divisors (11828743).

40466465 is a wasteful number, since it uses less digits than its factorization.

40466465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 622579.

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 40466465 is about 6361.3257266076. The cubic root of 40466465 is about 343.3194614267.

The spelling of 40466465 in words is "forty million, four hundred sixty-six thousand, four hundred sixty-five".