40145110783 has 4 divisors (see below), whose sum is σ = 40145732928. Its totient is φ = 40144488640.

The previous prime is 40145110729. The next prime is 40145110793. The reversal of 40145110783 is 38701154104.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40145110783 is a prime.

It is a super-2 number, since 2×40145110783² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40145110793) 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, 201391 + ... + 347632.

It is an arithmetic number, because the mean of its divisors is an integer number (10036433232).

Almost surely, 2^40145110783 is an apocalyptic number.

40145110783 is a deficient number, since it is larger than the sum of its proper divisors (622145).

40145110783 is an equidigital number, since it uses as much as digits as its factorization.

40145110783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 622144.

The product of its (nonzero) digits is 13440, while the sum is 34.

Adding to 40145110783 its reverse (38701154104), we get a palindrome (78846264887).

The spelling of 40145110783 in words is "forty billion, one hundred forty-five million, one hundred ten thousand, seven hundred eighty-three".