40497946 has 8 divisors (see below), whose sum is σ = 60873120. Its totient is φ = 20206908.

The previous prime is 40497931. The next prime is 40497967. The reversal of 40497946 is 64979404.

It is a sphenic number, since it is the product of 3 distinct primes.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 19816 + ... + 21763.

It is an arithmetic number, because the mean of its divisors is an integer number (7609140).

Almost surely, 2^40497946 is an apocalyptic number.

40497946 is a deficient number, since it is larger than the sum of its proper divisors (20375174).

40497946 is a wasteful number, since it uses less digits than its factorization.

40497946 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42068.

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 40497946 is about 6363.7996511518. The cubic root of 40497946 is about 343.4084671294.

The spelling of 40497946 in words is "forty million, four hundred ninety-seven thousand, nine hundred forty-six".