40836458 has 8 divisors (see below), whose sum is σ = 65966628. Its totient is φ = 18847584.

The previous prime is 40836407. The next prime is 40836461. The reversal of 40836458 is 85463804.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 40284409 + 552049 = 6347^2 + 743^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 785291 + ... + 785342.

Almost surely, 2^40836458 is an apocalyptic number.

40836458 is a deficient number, since it is larger than the sum of its proper divisors (25130170).

40836458 is a wasteful number, since it uses less digits than its factorization.

40836458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1570648.

The product of its (nonzero) digits is 92160, while the sum is 38.

The square root of 40836458 is about 6390.3409924667. The cubic root of 40836458 is about 344.3626347581.

The spelling of 40836458 in words is "forty million, eight hundred thirty-six thousand, four hundred fifty-eight".