40309496 has 16 divisors (see below), whose sum is σ = 75913800. Its totient is φ = 20065824.

The previous prime is 40309483. The next prime is 40309523. The reversal of 40309496 is 69490304.

It is a happy number.

40309496 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9170 + ... + 12833.

Almost surely, 2^40309496 is an apocalyptic number.

It is an amenable number.

40309496 is a deficient number, since it is larger than the sum of its proper divisors (35604304).

40309496 is a wasteful number, since it uses less digits than its factorization.

40309496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 22238 (or 22234 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 40309496 is about 6348.9759804239. The cubic root of 40309496 is about 342.8749753291.

The spelling of 40309496 in words is "forty million, three hundred nine thousand, four hundred ninety-six".