40500757505 has 16 divisors (see below), whose sum is σ = 54144251280. Its totient is φ = 28876931328.

The previous prime is 40500757501. The next prime is 40500757529. The reversal of 40500757505 is 50575700504.

It is a Cunningham number, because it is equal to 201248²+1.

It can be written as a sum of positive squares in 8 ways, for example, as 5193220096 + 35307537409 = 72064^2 + 187903^2 .

It is a cyclic number.

It is not a de Polignac number, because 40500757505 - 2² = 40500757501 is a prime.

It is a super-2 number, since 2×40500757505² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40500757501) 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 15 ways as a sum of consecutive naturals, for example, 10741022 + ... + 10744791.

It is an arithmetic number, because the mean of its divisors is an integer number (3384015705).

Almost surely, 2^40500757505 is an apocalyptic number.

It is an amenable number.

40500757505 is a deficient number, since it is larger than the sum of its proper divisors (13643493775).

40500757505 is a wasteful number, since it uses less digits than its factorization.

40500757505 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 21485860.

The product of its (nonzero) digits is 122500, while the sum is 38.

The spelling of 40500757505 in words is "forty billion, five hundred million, seven hundred fifty-seven thousand, five hundred five".