40804285 has 8 divisors (see below), whose sum is σ = 49222656. Its totient is φ = 32471760.

The previous prime is 40804271. The next prime is 40804321. The reversal of 40804285 is 58240804.

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

It is not a de Polignac number, because 40804285 - 2⁷ = 40804157 is a prime.

It is a super-2 number, since 2×40804285² = 3329979348722450, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20409 + ... + 22318.

It is an arithmetic number, because the mean of its divisors is an integer number (6152832).

Almost surely, 2^40804285 is an apocalyptic number.

It is an amenable number.

40804285 is a deficient number, since it is larger than the sum of its proper divisors (8418371).

40804285 is a wasteful number, since it uses less digits than its factorization.

40804285 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42923.

The product of its (nonzero) digits is 10240, while the sum is 31.

The square root of 40804285 is about 6387.8231816480. The cubic root of 40804285 is about 344.2721756403.

The spelling of 40804285 in words is "forty million, eight hundred four thousand, two hundred eighty-five".