40544516 has 6 divisors (see below), whose sum is σ = 70952910. Its totient is φ = 20272256.

The previous prime is 40544509. The next prime is 40544519. The reversal of 40544516 is 61544504.

It can be written as a sum of positive squares in only one way, i.e., 32535616 + 8008900 = 5704^2 + 2830^2 .

It is a plaindrome in base 14.

It is not an unprimeable number, because it can be changed into a prime (40544519) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5068061 + ... + 5068068.

It is an arithmetic number, because the mean of its divisors is an integer number (11825485).

Almost surely, 2^40544516 is an apocalyptic number.

It is an amenable number.

40544516 is a deficient number, since it is larger than the sum of its proper divisors (30408394).

40544516 is a wasteful number, since it uses less digits than its factorization.

40544516 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10136133 (or 10136131 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 29.

The square root of 40544516 is about 6367.4575774009. The cubic root of 40544516 is about 343.5400491616.

The spelling of 40544516 in words is "forty million, five hundred forty-four thousand, five hundred sixteen".