40620146 has 16 divisors (see below), whose sum is σ = 69750720. Its totient is φ = 17379600.

The previous prime is 40620133. The next prime is 40620169. The reversal of 40620146 is 64102604.

It is a happy number.

40620146 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40620146² = 3299992522122632, which contains 22 as substring.

It is a Curzon 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, 7745 + ... + 11883.

It is an arithmetic number, because the mean of its divisors is an integer number (4359420).

Almost surely, 2^40620146 is an apocalyptic number.

40620146 is a deficient number, since it is larger than the sum of its proper divisors (29130574).

40620146 is a wasteful number, since it uses less digits than its factorization.

40620146 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4849.

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

The square root of 40620146 is about 6373.3936015282. The cubic root of 40620146 is about 343.7535247683.

The spelling of 40620146 in words is "forty million, six hundred twenty thousand, one hundred forty-six".