40545849 has 8 divisors (see below), whose sum is σ = 56411712. Its totient is φ = 25855280.

The previous prime is 40545823. The next prime is 40545853. The reversal of 40545849 is 94854504.

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 40545849 - 2¹¹ = 40543801 is a prime.

It is a super-2 number, since 2×40545849² = 3287931742261602, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40545889) 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, 293742 + ... + 293879.

It is an arithmetic number, because the mean of its divisors is an integer number (7051464).

Almost surely, 2^40545849 is an apocalyptic number.

It is an amenable number.

40545849 is a deficient number, since it is larger than the sum of its proper divisors (15865863).

40545849 is a wasteful number, since it uses less digits than its factorization.

40545849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 587647.

The product of its (nonzero) digits is 115200, while the sum is 39.

The square root of 40545849 is about 6367.5622494013. The cubic root of 40545849 is about 343.5438140265.

The spelling of 40545849 in words is "forty million, five hundred forty-five thousand, eight hundred forty-nine".