40343616 has 112 divisors (see below), whose sum is σ = 122001280. Its totient is φ = 13063680.

The previous prime is 40343609. The next prime is 40343621. The reversal of 40343616 is 61634304.

40343616 is a `hidden beast` number, since 4 + 0 + 3 + 43 + 616 = 666.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a self number, because there is not a number n which added to its sum of digits gives 40343616.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 63621 + ... + 64251.

Almost surely, 2^40343616 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 40343616, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (61000640).

40343616 is an abundant number, since it is smaller than the sum of its proper divisors (81657664).

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

40343616 is a wasteful number, since it uses less digits than its factorization.

40343616 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 689 (or 673 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 27.

The square root of 40343616 is about 6351.6624595455. The cubic root of 40343616 is about 342.9716902972.

The spelling of 40343616 in words is "forty million, three hundred forty-three thousand, six hundred sixteen".