40534916 has 6 divisors (see below), whose sum is σ = 70936110. Its totient is φ = 20267456.

The previous prime is 40534913. The next prime is 40534957. The reversal of 40534916 is 61943504.

It can be written as a sum of positive squares in only one way, i.e., 37258816 + 3276100 = 6104^2 + 1810^2 .

It is not an unprimeable number, because it can be changed into a prime (40534913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 5066861 + ... + 5066868.

It is an arithmetic number, because the mean of its divisors is an integer number (11822685).

Almost surely, 2^40534916 is an apocalyptic number.

It is an amenable number.

40534916 is a deficient number, since it is larger than the sum of its proper divisors (30401194).

40534916 is a wasteful number, since it uses less digits than its factorization.

40534916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10133733 (or 10133731 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 32.

The square root of 40534916 is about 6366.7036997178. The cubic root of 40534916 is about 343.5129329190.

The spelling of 40534916 in words is "forty million, five hundred thirty-four thousand, nine hundred sixteen".