40534658 has 4 divisors (see below), whose sum is σ = 60801990. Its totient is φ = 20267328.

The previous prime is 40534649. The next prime is 40534661. The reversal of 40534658 is 85643504.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 33443089 + 7091569 = 5783^2 + 2663^2 .

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10133663 + ... + 10133666.

Almost surely, 2^40534658 is an apocalyptic number.

40534658 is a deficient number, since it is larger than the sum of its proper divisors (20267332).

40534658 is a wasteful number, since it uses less digits than its factorization.

40534658 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20267331.

The product of its (nonzero) digits is 57600, while the sum is 35.

The square root of 40534658 is about 6366.6834380233. The cubic root of 40534658 is about 343.5122041109.

The spelling of 40534658 in words is "forty million, five hundred thirty-four thousand, six hundred fifty-eight".