40761099601 has 8 divisors (see below), whose sum is σ = 41759298504. Its totient is φ = 39763092480.

The previous prime is 40761099559. The next prime is 40761099641. The reversal of 40761099601 is 10699016704.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 1233695376 + 39527404225 = 35124^2 + 198815^2 .

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 40761099601 - 2²³ = 40752710993 is a prime.

It is a super-2 number, since 2×40761099601² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40761099641) 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 7 ways as a sum of consecutive naturals, for example, 443145 + ... + 527161.

It is an arithmetic number, because the mean of its divisors is an integer number (5219912313).

Almost surely, 2^40761099601 is an apocalyptic number.

40761099601 is a gapful number since it is divisible by the number (41) formed by its first and last digit.

It is an amenable number.

40761099601 is a deficient number, since it is larger than the sum of its proper divisors (998198903).

40761099601 is a wasteful number, since it uses less digits than its factorization.

40761099601 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 95891.

The product of its (nonzero) digits is 81648, while the sum is 43.

The spelling of 40761099601 in words is "forty billion, seven hundred sixty-one million, ninety-nine thousand, six hundred one".