40775539 has 16 divisors (see below), whose sum is σ = 49319680. Its totient is φ = 32931360.

The previous prime is 40775533. The next prime is 40775543. The reversal of 40775539 is 93557704.

It is not a de Polignac number, because 40775539 - 2³ = 40775531 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40775531) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 27337 + ... + 28789.

It is an arithmetic number, because the mean of its divisors is an integer number (3082480).

Almost surely, 2^40775539 is an apocalyptic number.

40775539 is a deficient number, since it is larger than the sum of its proper divisors (8544141).

40775539 is a wasteful number, since it uses less digits than its factorization.

40775539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1690.

The product of its (nonzero) digits is 132300, while the sum is 40.

The square root of 40775539 is about 6385.5727229435. The cubic root of 40775539 is about 344.1913118059.

It can be divided in two parts, 40775 and 539, that added together give a palindrome (41314).

The spelling of 40775539 in words is "forty million, seven hundred seventy-five thousand, five hundred thirty-nine".