40054582 has 4 divisors (see below), whose sum is σ = 60081876. Its totient is φ = 20027290.

The previous prime is 40054577. The next prime is 40054607. The reversal of 40054582 is 28545004.

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

It is a self number, because there is not a number n which added to its sum of digits gives 40054582.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 10013644 + ... + 10013647.

It is an arithmetic number, because the mean of its divisors is an integer number (15020469).

Almost surely, 2^40054582 is an apocalyptic number.

40054582 is a deficient number, since it is larger than the sum of its proper divisors (20027294).

40054582 is a wasteful number, since it uses less digits than its factorization.

40054582 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20027293.

The product of its (nonzero) digits is 6400, while the sum is 28.

The square root of 40054582 is about 6328.8689352838. The cubic root of 40054582 is about 342.1506751459.

Adding to 40054582 its reverse (28545004), we get a palindrome (68599586).

The spelling of 40054582 in words is "forty million, fifty-four thousand, five hundred eighty-two".