40646120 has 16 divisors (see below), whose sum is σ = 91453860. Its totient is φ = 16258432.

The previous prime is 40646113. The next prime is 40646141. The reversal of 40646120 is 2164604.

It is a happy number.

40646120 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 33431524 + 7214596 = 5782^2 + 2686^2 .

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, 508037 + ... + 508116.

Almost surely, 2^40646120 is an apocalyptic number.

40646120 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40646120 is an abundant number, since it is smaller than the sum of its proper divisors (50807740).

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

40646120 is a wasteful number, since it uses less digits than its factorization.

40646120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016164 (or 1016160 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 23.

The square root of 40646120 is about 6375.4309658250. The cubic root of 40646120 is about 343.8267786624.

The spelling of 40646120 in words is "forty million, six hundred forty-six thousand, one hundred twenty".