40479458 has 8 divisors (see below), whose sum is σ = 61345452. Its totient is φ = 20030976.

The previous prime is 40479451. The next prime is 40479473. The reversal of 40479458 is 85497404.

40479458 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 39150049 + 1329409 = 6257^2 + 1153^2 .

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

It is not an unprimeable number, because it can be changed into a prime (40479451) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 104135 + ... + 104522.

Almost surely, 2^40479458 is an apocalyptic number.

40479458 is a deficient number, since it is larger than the sum of its proper divisors (20865994).

40479458 is a wasteful number, since it uses less digits than its factorization.

40479458 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208756.

The product of its (nonzero) digits is 161280, while the sum is 41.

The square root of 40479458 is about 6362.3468940321. The cubic root of 40479458 is about 343.3562019099.

The spelling of 40479458 in words is "forty million, four hundred seventy-nine thousand, four hundred fifty-eight".