40672216 has 48 divisors (see below), whose sum is σ = 83997000. Its totient is φ = 18450432.

The previous prime is 40672207. The next prime is 40672223. The reversal of 40672216 is 61227604.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 90360 + ... + 90808.

Almost surely, 2^40672216 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40672216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41998500).

40672216 is an abundant number, since it is smaller than the sum of its proper divisors (43324784).

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

40672216 is a wasteful number, since it uses less digits than its factorization.

40672216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 548 (or 531 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 40672216 is about 6377.4772441774. The cubic root of 40672216 is about 343.9003452095.

The spelling of 40672216 in words is "forty million, six hundred seventy-two thousand, two hundred sixteen".