40599465 has 16 divisors (see below), whose sum is σ = 66025536. Its totient is φ = 21297600.

The previous prime is 40599421. The next prime is 40599469. The reversal of 40599465 is 56499504.

It is a happy number.

It is not a de Polignac number, because 40599465 - 2¹² = 40595369 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40599469) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21271 + ... + 23100.

It is an arithmetic number, because the mean of its divisors is an integer number (4126596).

Almost surely, 2^40599465 is an apocalyptic number.

It is an amenable number.

40599465 is a deficient number, since it is larger than the sum of its proper divisors (25426071).

40599465 is a wasteful number, since it uses less digits than its factorization.

40599465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44440.

The product of its (nonzero) digits is 194400, while the sum is 42.

The square root of 40599465 is about 6371.7709469189. The cubic root of 40599465 is about 343.6951762706.

The spelling of 40599465 in words is "forty million, five hundred ninety-nine thousand, four hundred sixty-five".