40956220 has 12 divisors (see below), whose sum is σ = 86008104. Its totient is φ = 16382480.

The previous prime is 40956217. The next prime is 40956241. The reversal of 40956220 is 2265904.

40956220 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, 1023886 + ... + 1023925.

It is an arithmetic number, because the mean of its divisors is an integer number (7167342).

Almost surely, 2^40956220 is an apocalyptic number.

It is an amenable number.

40956220 is an abundant number, since it is smaller than the sum of its proper divisors (45051884).

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

40956220 is a wasteful number, since it uses less digits than its factorization.

40956220 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2047820 (or 2047818 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 28.

The square root of 40956220 is about 6399.7046806864. The cubic root of 40956220 is about 344.6989462207.

The spelling of 40956220 in words is "forty million, nine hundred fifty-six thousand, two hundred twenty".