40004514261361 has 4 divisors (see below), whose sum is σ = 43081784589172. Its totient is φ = 36927243933552.

The previous prime is 40004514261359. The next prime is 40004514261407. The reversal of 40004514261361 is 16316241540004.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 2981475623025 + 37023038638336 = 1726695^2 + 6084656^2 .

It is a cyclic number.

It is not a de Polignac number, because 40004514261361 - 2¹ = 40004514261359 is a prime.

It is a super-2 number, since 2×40004514261361² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40004514261361.

It is not an unprimeable number, because it can be changed into a prime (40004514261461) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1538635163886 + ... + 1538635163911.

It is an arithmetic number, because the mean of its divisors is an integer number (10770446147293).

Almost surely, 2^{40004514261361} is an apocalyptic number.

It is an amenable number.

40004514261361 is a deficient number, since it is larger than the sum of its proper divisors (3077270327811).

40004514261361 is a wasteful number, since it uses less digits than its factorization.

40004514261361 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3077270327810.

The product of its (nonzero) digits is 69120, while the sum is 37.

The spelling of 40004514261361 in words is "forty trillion, four billion, five hundred fourteen million, two hundred sixty-one thousand, three hundred sixty-one".