40647282 has 16 divisors (see below), whose sum is σ = 87548160. Its totient is φ = 12506832.

The previous prime is 40647281. The next prime is 40647307. The reversal of 40647282 is 28274604.

40647282 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40647281) by changing a digit.

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, 260482 + ... + 260637.

It is an arithmetic number, because the mean of its divisors is an integer number (5471760).

Almost surely, 2^40647282 is an apocalyptic number.

40647282 is an abundant number, since it is smaller than the sum of its proper divisors (46900878).

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

40647282 is a wasteful number, since it uses less digits than its factorization.

40647282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521137.

The product of its (nonzero) digits is 21504, while the sum is 33.

The square root of 40647282 is about 6375.5220962679. The cubic root of 40647282 is about 343.8300550958.

The spelling of 40647282 in words is "forty million, six hundred forty-seven thousand, two hundred eighty-two".