40351711807 has 4 divisors (see below), whose sum is σ = 44020049256. Its totient is φ = 36683374360.

The previous prime is 40351711793. The next prime is 40351711901. The reversal of 40351711807 is 70811715304.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40351711807 - 2¹⁹ = 40351187519 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40351711307) 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, 1834168708 + ... + 1834168729.

It is an arithmetic number, because the mean of its divisors is an integer number (11005012314).

Almost surely, 2^40351711807 is an apocalyptic number.

40351711807 is a deficient number, since it is larger than the sum of its proper divisors (3668337449).

40351711807 is a wasteful number, since it uses less digits than its factorization.

40351711807 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3668337448.

The product of its (nonzero) digits is 23520, while the sum is 37.

The spelling of 40351711807 in words is "forty billion, three hundred fifty-one million, seven hundred eleven thousand, eight hundred seven".