40646456 has 48 divisors (see below), whose sum is σ = 83650320. Its totient is φ = 18451200.

The previous prime is 40646449. The next prime is 40646467. The reversal of 40646456 is 65464604.

40646456 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a zygodrome in base 3.

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 11 ways as a sum of consecutive naturals, for example, 130541 + ... + 130851.

It is an arithmetic number, because the mean of its divisors is an integer number (1742715).

Almost surely, 2^40646456 is an apocalyptic number.

It is an amenable number.

40646456 is an abundant number, since it is smaller than the sum of its proper divisors (43003864).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40646456 is a wasteful number, since it uses less digits than its factorization.

40646456 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 396 (or 361 counting only the distinct ones).

The product of its (nonzero) digits is 69120, while the sum is 35.

The square root of 40646456 is about 6375.4573169303. The cubic root of 40646456 is about 343.8277260712.

The spelling of 40646456 in words is "forty million, six hundred forty-six thousand, four hundred fifty-six".