40694465 has 16 divisors (see below), whose sum is σ = 55925760. Its totient is φ = 27846720.

The previous prime is 40694461. The next prime is 40694471. The reversal of 40694465 is 56449604.

It is a happy number.

40694465 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40694465 - 2² = 40694461 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40694461) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 22256 + ... + 24014.

It is an arithmetic number, because the mean of its divisors is an integer number (3495360).

Almost surely, 2^40694465 is an apocalyptic number.

It is an amenable number.

40694465 is a deficient number, since it is larger than the sum of its proper divisors (15231295).

40694465 is a wasteful number, since it uses less digits than its factorization.

40694465 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2432.

The product of its (nonzero) digits is 103680, while the sum is 38.

The square root of 40694465 is about 6379.2213474687. The cubic root of 40694465 is about 343.9630419327.

The spelling of 40694465 in words is "forty million, six hundred ninety-four thousand, four hundred sixty-five".