40322656 has 24 divisors (see below), whose sum is σ = 86602824. Its totient is φ = 18328320.

The previous prime is 40322641. The next prime is 40322669. The reversal of 40322656 is 65622304.

It is a happy number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 56925 + ... + 57628.

It is an arithmetic number, because the mean of its divisors is an integer number (3608451).

Almost surely, 2^40322656 is an apocalyptic number.

It is an amenable number.

40322656 is an abundant number, since it is smaller than the sum of its proper divisors (46280168).

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

40322656 is a wasteful number, since it uses less digits than its factorization.

40322656 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 114574 (or 114566 counting only the distinct ones).

The product of its (nonzero) digits is 8640, while the sum is 28.

The square root of 40322656 is about 6350.0122834527. The cubic root of 40322656 is about 342.9122845173.

The spelling of 40322656 in words is "forty million, three hundred twenty-two thousand, six hundred fifty-six".