40013927005 has 8 divisors (see below), whose sum is σ = 51710305752. Its totient is φ = 29548746048.

The previous prime is 40013926991. The next prime is 40013927029. The reversal of 40013927005 is 50072931004.

It can be written as a sum of positive squares in 4 ways, for example, as 2061432409 + 37952494596 = 45403^2 + 194814^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 40013927005 - 2¹⁷ = 40013795933 is a prime.

It is a super-2 number, since 2×40013927005² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 307799374 + ... + 307799503.

It is an arithmetic number, because the mean of its divisors is an integer number (6463788219).

Almost surely, 2^40013927005 is an apocalyptic number.

It is an amenable number.

40013927005 is a deficient number, since it is larger than the sum of its proper divisors (11696378747).

40013927005 is a wasteful number, since it uses less digits than its factorization.

40013927005 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615598895.

The product of its (nonzero) digits is 7560, while the sum is 31.

The spelling of 40013927005 in words is "forty billion, thirteen million, nine hundred twenty-seven thousand, five".