40775547 has 8 divisors (see below), whose sum is σ = 54417744. Its totient is φ = 27158528.

The previous prime is 40775543. The next prime is 40775557. The reversal of 40775547 is 74557704.

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 40775547 - 2² = 40775543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40775543) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2118 + ... + 9275.

It is an arithmetic number, because the mean of its divisors is an integer number (6802218).

Almost surely, 2^40775547 is an apocalyptic number.

40775547 is a deficient number, since it is larger than the sum of its proper divisors (13642197).

40775547 is a wasteful number, since it uses less digits than its factorization.

40775547 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12589.

The product of its (nonzero) digits is 137200, while the sum is 39.

The square root of 40775547 is about 6385.5733493556. The cubic root of 40775547 is about 344.1913343155.

The spelling of 40775547 in words is "forty million, seven hundred seventy-five thousand, five hundred forty-seven".