40685628141 has 12 divisors (see below), whose sum is σ = 58772606620. Its totient is φ = 27121685760.

The previous prime is 40685628047. The next prime is 40685628173. The reversal of 40685628141 is 14182658604.

It is a happy number.

40685628141 is a `hidden beast` number, since 4 + 0 + 6 + 8 + 5 + 628 + 14 + 1 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 13008314916 + 27677313225 = 114054^2 + 166365^2 .

It is not a de Polignac number, because 40685628141 - 2⁷ = 40685628013 is a prime.

It is a super-2 number, since 2×40685628141² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40685628041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 42340 + ... + 288381.

Almost surely, 2^40685628141 is an apocalyptic number.

It is an amenable number.

40685628141 is a deficient number, since it is larger than the sum of its proper divisors (18086978479).

40685628141 is a wasteful number, since it uses less digits than its factorization.

40685628141 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 344396 (or 344393 counting only the distinct ones).

The product of its (nonzero) digits is 368640, while the sum is 45.

The spelling of 40685628141 in words is "forty billion, six hundred eighty-five million, six hundred twenty-eight thousand, one hundred forty-one".