40553616 has 20 divisors (see below), whose sum is σ = 104763632. Its totient is φ = 13517856.

The previous prime is 40553609. The next prime is 40553627. The reversal of 40553616 is 61635504.

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 3 ways as a sum of consecutive naturals, for example, 422386 + ... + 422481.

Almost surely, 2^40553616 is an apocalyptic number.

It is an amenable number.

40553616 is an abundant number, since it is smaller than the sum of its proper divisors (64210016).

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

40553616 is a wasteful number, since it uses less digits than its factorization.

40553616 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 844878 (or 844872 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 40553616 is about 6368.1721082270. The cubic root of 40553616 is about 343.5657491485.

The spelling of 40553616 in words is "forty million, five hundred fifty-three thousand, six hundred sixteen".