40685145764624 has 40 divisors (see below), whose sum is σ = 82981374536640. Its totient is φ = 19270728862848.

The previous prime is 40685145764617. The next prime is 40685145764629. The reversal of 40685145764624 is 42646754158604.

It is a super-2 number, since 2×40685145764624² (a number of 28 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40685145764629) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 868229 + ... + 9062235.

It is an arithmetic number, because the mean of its divisors is an integer number (2074534363416).

Almost surely, 2^{40685145764624} is an apocalyptic number.

It is an amenable number.

40685145764624 is an abundant number, since it is smaller than the sum of its proper divisors (42296228772016).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40685145764624 is a wasteful number, since it uses less digits than its factorization.

40685145764624 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8210367 (or 8210361 counting only the distinct ones).

The product of its (nonzero) digits is 154828800, while the sum is 62.

The spelling of 40685145764624 in words is "forty trillion, six hundred eighty-five billion, one hundred forty-five million, seven hundred sixty-four thousand, six hundred twenty-four".