40856577 has 8 divisors (see below), whose sum is σ = 54714240. Its totient is φ = 27118320.

The previous prime is 40856549. The next prime is 40856591. The reversal of 40856577 is 77565804.

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

It is not a de Polignac number, because 40856577 - 2⁶ = 40856513 is a prime.

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 not an unprimeable number, because it can be changed into a prime (40856077) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29049 + ... + 30422.

It is an arithmetic number, because the mean of its divisors is an integer number (6839280).

Almost surely, 2^40856577 is an apocalyptic number.

It is an amenable number.

40856577 is a deficient number, since it is larger than the sum of its proper divisors (13857663).

40856577 is a wasteful number, since it uses less digits than its factorization.

40856577 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59703.

The product of its (nonzero) digits is 235200, while the sum is 42.

The square root of 40856577 is about 6391.9149712743. The cubic root of 40856577 is about 344.4191781405.

The spelling of 40856577 in words is "forty million, eight hundred fifty-six thousand, five hundred seventy-seven".