40461686 has 4 divisors (see below), whose sum is σ = 60692532. Its totient is φ = 20230842.

The previous prime is 40461671. The next prime is 40461703. The reversal of 40461686 is 68616404.

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

It is a Curzon number.

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, 10115420 + ... + 10115423.

It is an arithmetic number, because the mean of its divisors is an integer number (15173133).

Almost surely, 2^40461686 is an apocalyptic number.

40461686 is a deficient number, since it is larger than the sum of its proper divisors (20230846).

40461686 is a wasteful number, since it uses less digits than its factorization.

40461686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20230845.

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

The square root of 40461686 is about 6360.9500862686. The cubic root of 40461686 is about 343.3059458050.

The spelling of 40461686 in words is "forty million, four hundred sixty-one thousand, six hundred eighty-six".