40910755381 has 4 divisors (see below), whose sum is σ = 41581423564. Its totient is φ = 40240087200.

The previous prime is 40910755351. The next prime is 40910755447. The reversal of 40910755381 is 18355701904.

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 9684331281 + 31226424100 = 98409^2 + 176710^2 .

It is a cyclic number.

It is not a de Polignac number, because 40910755381 - 2⁵ = 40910755349 is a prime.

It is a super-2 number, since 2×40910755381² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40910755351) 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 3 ways as a sum of consecutive naturals, for example, 335334000 + ... + 335334121.

It is an arithmetic number, because the mean of its divisors is an integer number (10395355891).

Almost surely, 2^40910755381 is an apocalyptic number.

It is an amenable number.

40910755381 is a deficient number, since it is larger than the sum of its proper divisors (670668183).

40910755381 is an equidigital number, since it uses as much as digits as its factorization.

40910755381 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 670668182.

The product of its (nonzero) digits is 151200, while the sum is 43.

The spelling of 40910755381 in words is "forty billion, nine hundred ten million, seven hundred fifty-five thousand, three hundred eighty-one".