40510259966 has 8 divisors (see below), whose sum is σ = 66289516344. Its totient is φ = 18413754520.

The previous prime is 40510259963. The next prime is 40510260061. The reversal of 40510259966 is 66995201504.

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

It is a self number, because there is not a number n which added to its sum of digits gives 40510259966.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40510259963) 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, 920687705 + ... + 920687748.

It is an arithmetic number, because the mean of its divisors is an integer number (8286189543).

Almost surely, 2^40510259966 is an apocalyptic number.

40510259966 is a deficient number, since it is larger than the sum of its proper divisors (25779256378).

40510259966 is a wasteful number, since it uses less digits than its factorization.

40510259966 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1841375466.

The product of its (nonzero) digits is 583200, while the sum is 47.

The spelling of 40510259966 in words is "forty billion, five hundred ten million, two hundred fifty-nine thousand, nine hundred sixty-six".