41640406 has 4 divisors (see below), whose sum is σ = 62460612. Its totient is φ = 20820202.

The previous prime is 41640397. The next prime is 41640407. The reversal of 41640406 is 60404614.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 60404614 = 2 ⋅30202307.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (41640407) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10410100 + ... + 10410103.

It is an arithmetic number, because the mean of its divisors is an integer number (15615153).

Almost surely, 2^41640406 is an apocalyptic number.

41640406 is a deficient number, since it is larger than the sum of its proper divisors (20820206).

41640406 is a wasteful number, since it uses less digits than its factorization.

41640406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20820205.

The product of its (nonzero) digits is 2304, while the sum is 25.

The square root of 41640406 is about 6452.9377805772. The cubic root of 41640406 is about 346.6077893517.

The spelling of 41640406 in words is "forty-one million, six hundred forty thousand, four hundred six".