40962109 has 4 divisors (see below), whose sum is σ = 40977820. Its totient is φ = 40946400.

The previous prime is 40962083. The next prime is 40962143. The reversal of 40962109 is 90126904.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4020025 + 36942084 = 2005^2 + 6078^2 .

It is a cyclic number.

It is not a de Polignac number, because 40962109 - 2⁷ = 40961981 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40962169) 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 3 ways as a sum of consecutive naturals, for example, 2904 + ... + 9505.

It is an arithmetic number, because the mean of its divisors is an integer number (10244455).

Almost surely, 2^40962109 is an apocalyptic number.

It is an amenable number.

40962109 is a deficient number, since it is larger than the sum of its proper divisors (15711).

40962109 is a wasteful number, since it uses less digits than its factorization.

40962109 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15710.

The product of its (nonzero) digits is 3888, while the sum is 31.

The square root of 40962109 is about 6400.1647635041. The cubic root of 40962109 is about 344.7154665832.

The spelling of 40962109 in words is "forty million, nine hundred sixty-two thousand, one hundred nine".