40862686 has 4 divisors (see below), whose sum is σ = 61294032. Its totient is φ = 20431342.

The previous prime is 40862677. The next prime is 40862687. The reversal of 40862686 is 68626804.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40862687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10215670 + ... + 10215673.

It is an arithmetic number, because the mean of its divisors is an integer number (15323508).

Almost surely, 2^40862686 is an apocalyptic number.

40862686 is a deficient number, since it is larger than the sum of its proper divisors (20431346).

40862686 is a wasteful number, since it uses less digits than its factorization.

40862686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20431345.

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 40862686 is about 6392.3928227230. The cubic root of 40862686 is about 344.4363434870.

The spelling of 40862686 in words is "forty million, eight hundred sixty-two thousand, six hundred eighty-six".