40856977 has 8 divisors (see below), whose sum is σ = 48200192. Its totient is φ = 33890400.

The previous prime is 40856957. The next prime is 40857013. The reversal of 40856977 is 77965804.

It is a happy number.

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

It is a cyclic number.

It is not a de Polignac number, because 40856977 - 2¹⁹ = 40332689 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40856957) 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, 93924 + ... + 94357.

It is an arithmetic number, because the mean of its divisors is an integer number (6025024).

Almost surely, 2^40856977 is an apocalyptic number.

It is an amenable number.

40856977 is a deficient number, since it is larger than the sum of its proper divisors (7343215).

40856977 is a wasteful number, since it uses less digits than its factorization.

40856977 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 188319.

The product of its (nonzero) digits is 423360, while the sum is 46.

The square root of 40856977 is about 6391.9462607253. The cubic root of 40856977 is about 344.4203021311.

The spelling of 40856977 in words is "forty million, eight hundred fifty-six thousand, nine hundred seventy-seven".