40766420 has 24 divisors (see below), whose sum is σ = 85730400. Its totient is φ = 16283552.

The previous prime is 40766417. The next prime is 40766441. The reversal of 40766420 is 2466704.

40766420 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 7 ways as a sum of consecutive naturals, for example, 24371 + ... + 25989.

It is an arithmetic number, because the mean of its divisors is an integer number (3572100).

Almost surely, 2^40766420 is an apocalyptic number.

It is an amenable number.

40766420 is an abundant number, since it is smaller than the sum of its proper divisors (44963980).

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

40766420 is a wasteful number, since it uses less digits than its factorization.

40766420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2887 (or 2885 counting only the distinct ones).

The product of its (nonzero) digits is 8064, while the sum is 29.

The square root of 40766420 is about 6384.8586515286. The cubic root of 40766420 is about 344.1656516948.

The spelling of 40766420 in words is "forty million, seven hundred sixty-six thousand, four hundred twenty".