40127000647 has 16 divisors (see below), whose sum is σ = 41490892800. Its totient is φ = 38778192288.

The previous prime is 40127000611. The next prime is 40127000677. The reversal of 40127000647 is 74600072104.

It is a cyclic number.

It is not a de Polignac number, because 40127000647 - 2¹⁹ = 40126476359 is a prime.

It is a super-2 number, since 2×40127000647² (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 (40127000677) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 14822068 + ... + 14824774.

It is an arithmetic number, because the mean of its divisors is an integer number (2593180800).

Almost surely, 2^40127000647 is an apocalyptic number.

40127000647 is the 100159-th decagonal number.

40127000647 is a deficient number, since it is larger than the sum of its proper divisors (1363892153).

40127000647 is a wasteful number, since it uses less digits than its factorization.

40127000647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5310.

The product of its (nonzero) digits is 9408, while the sum is 31.

The spelling of 40127000647 in words is "forty billion, one hundred twenty-seven million, six hundred forty-seven", and thus it is an aban number.