40735287919 has 4 divisors (see below), whose sum is σ = 43131481344. Its totient is φ = 38339094496.

The previous prime is 40735287917. The next prime is 40735287941. The reversal of 40735287919 is 91978253704.

It is a happy number.

40735287919 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40735287919 - 2¹ = 40735287917 is a prime.

It is a super-2 number, since 2×40735287919² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 40735287919.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40735287917) 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, 1198096687 + ... + 1198096720.

It is an arithmetic number, because the mean of its divisors is an integer number (10782870336).

Almost surely, 2^40735287919 is an apocalyptic number.

40735287919 is a deficient number, since it is larger than the sum of its proper divisors (2396193425).

40735287919 is a wasteful number, since it uses less digits than its factorization.

40735287919 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2396193424.

The product of its (nonzero) digits is 3810240, while the sum is 55.

The spelling of 40735287919 in words is "forty billion, seven hundred thirty-five million, two hundred eighty-seven thousand, nine hundred nineteen".