40485702569 has 64 divisors (see below), whose sum is σ = 47864140800. Its totient is φ = 33926750208.

The previous prime is 40485702559. The next prime is 40485702571. The reversal of 40485702569 is 96520758404.

40485702569 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 40485702569 - 2²⁴ = 40468925353 is a prime.

It is a super-2 number, since 2×40485702569² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40485702559) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 176793347 + ... + 176793575.

It is an arithmetic number, because the mean of its divisors is an integer number (747877200).

Almost surely, 2^40485702569 is an apocalyptic number.

It is an amenable number.

40485702569 is a deficient number, since it is larger than the sum of its proper divisors (7378438231).

40485702569 is a wasteful number, since it uses less digits than its factorization.

40485702569 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 562.

The product of its (nonzero) digits is 2419200, while the sum is 50.

The spelling of 40485702569 in words is "forty billion, four hundred eighty-five million, seven hundred two thousand, five hundred sixty-nine".