40117456 has 20 divisors (see below), whose sum is σ = 78889792. Its totient is φ = 19758816.

The previous prime is 40117447. The next prime is 40117459. The reversal of 40117456 is 65471104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40117459) 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, 17640 + ... + 19783.

Almost surely, 2^40117456 is an apocalyptic number.

It is an amenable number.

40117456 is a deficient number, since it is larger than the sum of its proper divisors (38772336).

40117456 is a wasteful number, since it uses less digits than its factorization.

40117456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37498 (or 37492 counting only the distinct ones).

The product of its (nonzero) digits is 3360, while the sum is 28.

The square root of 40117456 is about 6333.8342258067. The cubic root of 40117456 is about 342.3296071118.

The spelling of 40117456 in words is "forty million, one hundred seventeen thousand, four hundred fifty-six".