40516264 has 8 divisors (see below), whose sum is σ = 75968010. Its totient is φ = 20258128.

The previous prime is 40516247. The next prime is 40516279. The reversal of 40516264 is 46261504.

It can be written as a sum of positive squares in only one way, i.e., 34316164 + 6200100 = 5858^2 + 2490^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2532259 + ... + 2532274.

Almost surely, 2^40516264 is an apocalyptic number.

It is an amenable number.

40516264 is a deficient number, since it is larger than the sum of its proper divisors (35451746).

40516264 is a wasteful number, since it uses less digits than its factorization.

40516264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5064539 (or 5064535 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 28.

The square root of 40516264 is about 6365.2387229388. The cubic root of 40516264 is about 343.4602360767.

Adding to 40516264 its reverse (46261504), we get a palindrome (86777768).

The spelling of 40516264 in words is "forty million, five hundred sixteen thousand, two hundred sixty-four".