40469684 has 12 divisors (see below), whose sum is σ = 71117508. Its totient is φ = 20150400.

The previous prime is 40469683. The next prime is 40469701. The reversal of 40469684 is 48696404.

It can be written as a sum of positive squares in 2 ways, for example, as 12802084 + 27667600 = 3578^2 + 5260^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40469683) 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 3 ways as a sum of consecutive naturals, for example, 20027 + ... + 21954.

It is an arithmetic number, because the mean of its divisors is an integer number (5926459).

Almost surely, 2^40469684 is an apocalyptic number.

It is an amenable number.

40469684 is a deficient number, since it is larger than the sum of its proper divisors (30647824).

40469684 is a wasteful number, since it uses less digits than its factorization.

40469684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 42226 (or 42224 counting only the distinct ones).

The product of its (nonzero) digits is 165888, while the sum is 41.

The square root of 40469684 is about 6361.5787348739. The cubic root of 40469684 is about 343.3285645697.

The spelling of 40469684 in words is "forty million, four hundred sixty-nine thousand, six hundred eighty-four".