40587216 has 20 divisors (see below), whose sum is σ = 104850432. Its totient is φ = 13529056.

The previous prime is 40587191. The next prime is 40587223. The reversal of 40587216 is 61278504.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 422736 + ... + 422831.

Almost surely, 2^40587216 is an apocalyptic number.

It is an amenable number.

40587216 is an abundant number, since it is smaller than the sum of its proper divisors (64263216).

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

40587216 is a wasteful number, since it uses less digits than its factorization.

40587216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 845578 (or 845572 counting only the distinct ones).

The product of its (nonzero) digits is 13440, while the sum is 33.

The square root of 40587216 is about 6370.8096816653. The cubic root of 40587216 is about 343.6606081166.

The spelling of 40587216 in words is "forty million, five hundred eighty-seven thousand, two hundred sixteen".