40479486 has 8 divisors (see below), whose sum is σ = 80958984. Its totient is φ = 13493160.

The previous prime is 40479473. The next prime is 40479493. The reversal of 40479486 is 68497404.

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

40479486 is an admirable number.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is a congruent 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, 3373285 + ... + 3373296.

It is an arithmetic number, because the mean of its divisors is an integer number (10119873).

Almost surely, 2^40479486 is an apocalyptic number.

40479486 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40479486 is a wasteful number, since it uses less digits than its factorization.

40479486 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6746586.

The product of its (nonzero) digits is 193536, while the sum is 42.

The square root of 40479486 is about 6362.3490944776. The cubic root of 40479486 is about 343.3562810774.

The spelling of 40479486 in words is "forty million, four hundred seventy-nine thousand, four hundred eighty-six".