40765539 has 4 divisors (see below), whose sum is σ = 54354056. Its totient is φ = 27177024.

The previous prime is 40765537. The next prime is 40765553. The reversal of 40765539 is 93556704.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 40765539 - 2¹ = 40765537 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40765497 and 40765506.

It is not an unprimeable number, because it can be changed into a prime (40765537) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6794254 + ... + 6794259.

It is an arithmetic number, because the mean of its divisors is an integer number (13588514).

Almost surely, 2^40765539 is an apocalyptic number.

40765539 is a deficient number, since it is larger than the sum of its proper divisors (13588517).

40765539 is a wasteful number, since it uses less digits than its factorization.

40765539 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13588516.

The product of its (nonzero) digits is 113400, while the sum is 39.

The square root of 40765539 is about 6384.7896598087. The cubic root of 40765539 is about 344.1631724311.

The spelling of 40765539 in words is "forty million, seven hundred sixty-five thousand, five hundred thirty-nine".