40523524020505 has 16 divisors (see below), whose sum is σ = 48944311661520. Its totient is φ = 32208150903552.

The previous prime is 40523524020431. The next prime is 40523524020517. The reversal of 40523524020505 is 50502042532504.

It can be written as a sum of positive squares in 8 ways, for example, as 7519326295321 + 33004197725184 = 2742139^2 + 5744928^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40523524020505 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2713131 + ... + 9402559.

It is an arithmetic number, because the mean of its divisors is an integer number (3059019478845).

Almost surely, 2^{40523524020505} is an apocalyptic number.

It is an amenable number.

40523524020505 is a deficient number, since it is larger than the sum of its proper divisors (8420787641015).

40523524020505 is a wasteful number, since it uses less digits than its factorization.

40523524020505 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6697308.

The product of its (nonzero) digits is 240000, while the sum is 37.

The spelling of 40523524020505 in words is "forty trillion, five hundred twenty-three billion, five hundred twenty-four million, twenty thousand, five hundred five".