40536855 has 40 divisors (see below), whose sum is σ = 73459584. Its totient is φ = 21384000.

The previous prime is 40536851. The next prime is 40536863. The reversal of 40536855 is 55863504.

40536855 is a `hidden beast` number, since 40 + 536 + 85 + 5 = 666.

40536855 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40536855 - 2² = 40536851 is a prime.

It is a super-2 number, since 2×40536855² = 3286473226582050, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40536851) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 40410 + ... + 41400.

Almost surely, 2^40536855 is an apocalyptic number.

40536855 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

40536855 is a deficient number, since it is larger than the sum of its proper divisors (32922729).

40536855 is a wasteful number, since it uses less digits than its factorization.

40536855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1109 (or 1100 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 36.

The square root of 40536855 is about 6366.8559744979. The cubic root of 40536855 is about 343.5184101801.

The spelling of 40536855 in words is "forty million, five hundred thirty-six thousand, eight hundred fifty-five".