40854785 has 16 divisors (see below), whose sum is σ = 52130304. Its totient is φ = 30668352.

The previous prime is 40854743. The next prime is 40854787. The reversal of 40854785 is 58745804.

It is a cyclic number.

It is not a de Polignac number, because 40854785 - 2⁶ = 40854721 is a prime.

It is a super-2 number, since 2×40854785² = 3338226914792450, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40854787) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2744 + ... + 9446.

It is an arithmetic number, because the mean of its divisors is an integer number (3258144).

Almost surely, 2^40854785 is an apocalyptic number.

It is an amenable number.

40854785 is a deficient number, since it is larger than the sum of its proper divisors (11275519).

40854785 is a wasteful number, since it uses less digits than its factorization.

40854785 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6784.

The product of its (nonzero) digits is 179200, while the sum is 41.

The square root of 40854785 is about 6391.7747926534. The cubic root of 40854785 is about 344.4141425727.

The spelling of 40854785 in words is "forty million, eight hundred fifty-four thousand, seven hundred eighty-five".