40533849 has 6 divisors (see below), whose sum is σ = 58548906. Its totient is φ = 27022560.

The previous prime is 40533841. The next prime is 40533863. The reversal of 40533849 is 94833504.

40533849 is a `hidden beast` number, since 40 + 533 + 84 + 9 = 666.

It can be written as a sum of positive squares in only one way, i.e., 20793600 + 19740249 = 4560^2 + 4443^2 .

It is not a de Polignac number, because 40533849 - 2³ = 40533841 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40533841) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 2251872 + ... + 2251889.

It is an arithmetic number, because the mean of its divisors is an integer number (9758151).

Almost surely, 2^40533849 is an apocalyptic number.

It is an amenable number.

40533849 is a deficient number, since it is larger than the sum of its proper divisors (18015057).

40533849 is a wasteful number, since it uses less digits than its factorization.

40533849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4503767 (or 4503764 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

The square root of 40533849 is about 6366.6199038422. The cubic root of 40533849 is about 343.5099187973.

The spelling of 40533849 in words is "forty million, five hundred thirty-three thousand, eight hundred forty-nine".