40040175761 has 8 divisors (see below), whose sum is σ = 41813198784. Its totient is φ = 38269831600.

The previous prime is 40040175743. The next prime is 40040175811. The reversal of 40040175761 is 16757104004.

It is a happy number.

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 40040175761 - 2⁶ = 40040175697 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40040175961) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 639131 + ... + 698976.

It is an arithmetic number, because the mean of its divisors is an integer number (5226649848).

Almost surely, 2^40040175761 is an apocalyptic number.

It is an amenable number.

40040175761 is a deficient number, since it is larger than the sum of its proper divisors (1773023023).

40040175761 is a wasteful number, since it uses less digits than its factorization.

40040175761 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1339431.

The product of its (nonzero) digits is 23520, while the sum is 35.

Adding to 40040175761 its reverse (16757104004), we get a palindrome (56797279765).

The spelling of 40040175761 in words is "forty billion, forty million, one hundred seventy-five thousand, seven hundred sixty-one".