40689364 has 24 divisors (see below), whose sum is σ = 75878208. Its totient is φ = 19025280.

The previous prime is 40689353. The next prime is 40689371. The reversal of 40689364 is 46398604.

It is a super-3 number, since 3×40689364³ (a number of 24 digits) contains 333 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9249 + ... + 12919.

It is an arithmetic number, because the mean of its divisors is an integer number (3161592).

Almost surely, 2^40689364 is an apocalyptic number.

It is an amenable number.

40689364 is a deficient number, since it is larger than the sum of its proper divisors (35188844).

40689364 is a wasteful number, since it uses less digits than its factorization.

40689364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3855 (or 3853 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 40.

The square root of 40689364 is about 6378.8215212530. The cubic root of 40689364 is about 343.9486695539.

The spelling of 40689364 in words is "forty million, six hundred eighty-nine thousand, three hundred sixty-four".