40961210 has 16 divisors (see below), whose sum is σ = 74159496. Its totient is φ = 16289088.

The previous prime is 40961203. The next prime is 40961213. The reversal of 40961210 is 1216904.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 37957921 + 3003289 = 6161^2 + 1733^2 .

It is not an unprimeable number, because it can be changed into a prime (40961213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10109 + ... + 13568.

Almost surely, 2^40961210 is an apocalyptic number.

40961210 is a deficient number, since it is larger than the sum of its proper divisors (33198286).

40961210 is a wasteful number, since it uses less digits than its factorization.

40961210 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23857.

The product of its (nonzero) digits is 432, while the sum is 23.

The square root of 40961210 is about 6400.0945305519. The cubic root of 40961210 is about 344.7129447284.

The spelling of 40961210 in words is "forty million, nine hundred sixty-one thousand, two hundred ten".