40661846 has 4 divisors (see below), whose sum is σ = 60992772. Its totient is φ = 20330922.

The previous prime is 40661839. The next prime is 40661851. The reversal of 40661846 is 64816604.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10165460 + ... + 10165463.

It is an arithmetic number, because the mean of its divisors is an integer number (15248193).

Almost surely, 2^40661846 is an apocalyptic number.

40661846 is a deficient number, since it is larger than the sum of its proper divisors (20330926).

40661846 is a wasteful number, since it uses less digits than its factorization.

40661846 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20330925.

The product of its (nonzero) digits is 27648, while the sum is 35.

The square root of 40661846 is about 6376.6641749429. The cubic root of 40661846 is about 343.8711151841.

The spelling of 40661846 in words is "forty million, six hundred sixty-one thousand, eight hundred forty-six".