40863216 has 40 divisors (see below), whose sum is σ = 105798784. Its totient is φ = 13590720.

The previous prime is 40863187. The next prime is 40863227. The reversal of 40863216 is 61236804.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 34311 + ... + 35481.

Almost surely, 2^40863216 is an apocalyptic number.

It is an amenable number.

40863216 is an abundant number, since it is smaller than the sum of its proper divisors (64935568).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40863216 is a wasteful number, since it uses less digits than its factorization.

40863216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1909 (or 1903 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 30.

The square root of 40863216 is about 6392.4342781135. The cubic root of 40863216 is about 344.4378326245.

The spelling of 40863216 in words is "forty million, eight hundred sixty-three thousand, two hundred sixteen".