40486868 has 24 divisors (see below), whose sum is σ = 74081280. Its totient is φ = 19337760.

The previous prime is 40486867. The next prime is 40486879. The reversal of 40486868 is 86868404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40486861) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7730 + ... + 11862.

It is an arithmetic number, because the mean of its divisors is an integer number (3086720).

Almost surely, 2^40486868 is an apocalyptic number.

It is an amenable number.

40486868 is a deficient number, since it is larger than the sum of its proper divisors (33594412).

40486868 is a wasteful number, since it uses less digits than its factorization.

With its successor (40486869) it forms a Ruth-Aaron pair, since the sum of their distinct prime factors is the same (4245).

With its successor (40486869) it forms an eRAP, since the sums of their prime factors are consecutive (4247 and 4248).

40486868 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4247 (or 4245 counting only the distinct ones).

The product of its (nonzero) digits is 294912, while the sum is 44.

The square root of 40486868 is about 6362.9291996690. The cubic root of 40486868 is about 343.3771517476.

The spelling of 40486868 in words is "forty million, four hundred eighty-six thousand, eight hundred sixty-eight".