40105176761 has 4 divisors (see below), whose sum is σ = 43190190372. Its totient is φ = 37020163152.

The previous prime is 40105176757. The next prime is 40105176773. The reversal of 40105176761 is 16767150104.

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 2047019536 + 38058157225 = 45244^2 + 195085^2 .

It is a cyclic number.

It is not a de Polignac number, because 40105176761 - 2² = 40105176757 is a prime.

It is a super-2 number, since 2×40105176761² (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 (40105176721) 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, 1542506786 + ... + 1542506811.

It is an arithmetic number, because the mean of its divisors is an integer number (10797547593).

Almost surely, 2^40105176761 is an apocalyptic number.

It is an amenable number.

40105176761 is a deficient number, since it is larger than the sum of its proper divisors (3085013611).

40105176761 is a wasteful number, since it uses less digits than its factorization.

40105176761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3085013610.

The product of its (nonzero) digits is 35280, while the sum is 38.

The spelling of 40105176761 in words is "forty billion, one hundred five million, one hundred seventy-six thousand, seven hundred sixty-one".