40699465 has 16 divisors (see below), whose sum is σ = 49968576. Its totient is φ = 31816000.

The previous prime is 40699459. The next prime is 40699469. The reversal of 40699465 is 56499604.

It is a happy number.

It is not a de Polignac number, because 40699465 - 2¹⁵ = 40666697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40699469) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 41430 + ... + 42400.

It is an arithmetic number, because the mean of its divisors is an integer number (3123036).

Almost surely, 2^40699465 is an apocalyptic number.

It is an amenable number.

40699465 is a deficient number, since it is larger than the sum of its proper divisors (9269111).

40699465 is a wasteful number, since it uses less digits than its factorization.

40699465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160.

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 40699465 is about 6379.6132327908. The cubic root of 40699465 is about 343.9771285722.

The spelling of 40699465 in words is "forty million, six hundred ninety-nine thousand, four hundred sixty-five".