40406616 has 48 divisors (see below), whose sum is σ = 115198200. Its totient is φ = 12759552.

The previous prime is 40406593. The next prime is 40406629. The reversal of 40406616 is 61660404.

40406616 is a `hidden beast` number, since 4 + 0 + 40 + 6 + 616 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 40406616.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13401 + ... + 16136.

Almost surely, 2^40406616 is an apocalyptic number.

It is an amenable number.

40406616 is an abundant number, since it is smaller than the sum of its proper divisors (74791584).

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

40406616 is a wasteful number, since it uses less digits than its factorization.

40406616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29568 (or 29561 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 27.

The square root of 40406616 is about 6356.6198564961. The cubic root of 40406616 is about 343.1501239728.

The spelling of 40406616 in words is "forty million, four hundred six thousand, six hundred sixteen".