40240811377 has 4 divisors (see below), whose sum is σ = 43336258420. Its totient is φ = 37145364336.

The previous prime is 40240811363. The next prime is 40240811381. The reversal of 40240811377 is 77311804204.

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 5984724321 + 34256087056 = 77361^2 + 185084^2 .

It is a cyclic number.

It is not a de Polignac number, because 40240811377 - 2¹⁹ = 40240287089 is a prime.

It is a super-2 number, since 2×40240811377² (a number of 22 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (40240811327) 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, 1547723502 + ... + 1547723527.

It is an arithmetic number, because the mean of its divisors is an integer number (10834064605).

Almost surely, 2^40240811377 is an apocalyptic number.

It is an amenable number.

40240811377 is a deficient number, since it is larger than the sum of its proper divisors (3095447043).

40240811377 is a wasteful number, since it uses less digits than its factorization.

40240811377 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3095447042.

The product of its (nonzero) digits is 37632, while the sum is 37.

The spelling of 40240811377 in words is "forty billion, two hundred forty million, eight hundred eleven thousand, three hundred seventy-seven".