40027646707261 has 16 divisors (see below), whose sum is σ = 40174524149760. Its totient is φ = 39881077997040.

The previous prime is 40027646707163. The next prime is 40027646707309. The reversal of 40027646707261 is 16270764672004.

It is a cyclic number.

It is not a de Polignac number, because 40027646707261 - 2¹¹ = 40027646705213 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40027646707199 and 40027646707208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40027646107261) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 831822960 + ... + 831871078.

It is an arithmetic number, because the mean of its divisors is an integer number (2510907759360).

Almost surely, 2^{40027646707261} is an apocalyptic number.

It is an amenable number.

40027646707261 is a deficient number, since it is larger than the sum of its proper divisors (146877442499).

40027646707261 is a wasteful number, since it uses less digits than its factorization.

40027646707261 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 51264.

The product of its (nonzero) digits is 4741632, while the sum is 52.

The spelling of 40027646707261 in words is "forty trillion, twenty-seven billion, six hundred forty-six million, seven hundred seven thousand, two hundred sixty-one".