40689496 has 16 divisors (see below), whose sum is σ = 76557600. Its totient is φ = 20274144.

The previous prime is 40689491. The next prime is 40689497. The reversal of 40689496 is 69498604.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40689491) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6336 + ... + 11023.

It is an arithmetic number, because the mean of its divisors is an integer number (4784850).

Almost surely, 2^40689496 is an apocalyptic number.

It is an amenable number.

40689496 is a deficient number, since it is larger than the sum of its proper divisors (35868104).

40689496 is a wasteful number, since it uses less digits than its factorization.

40689496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17658 (or 17654 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 46.

The square root of 40689496 is about 6378.8318679834. The cubic root of 40689496 is about 343.9490414871.

The spelling of 40689496 in words is "forty million, six hundred eighty-nine thousand, four hundred ninety-six".