40085854 has 4 divisors (see below), whose sum is σ = 60128784. Its totient is φ = 20042926.

The previous prime is 40085831. The next prime is 40085887. The reversal of 40085854 is 45858004.

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

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, 10021462 + ... + 10021465.

It is an arithmetic number, because the mean of its divisors is an integer number (15032196).

Almost surely, 2^40085854 is an apocalyptic number.

40085854 is a deficient number, since it is larger than the sum of its proper divisors (20042930).

40085854 is a wasteful number, since it uses less digits than its factorization.

40085854 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 20042929.

The product of its (nonzero) digits is 25600, while the sum is 34.

The square root of 40085854 is about 6331.3390368863. The cubic root of 40085854 is about 342.2396949454.

The spelling of 40085854 in words is "forty million, eighty-five thousand, eight hundred fifty-four".