40245041111 has 4 divisors (see below), whose sum is σ = 43903681224. Its totient is φ = 36586401000.

The previous prime is 40245041063. The next prime is 40245041117. The reversal of 40245041111 is 11114054204.

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-40245041111 is a prime.

It is a super-2 number, since 2×40245041111² (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 (40245041117) 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, 1829320040 + ... + 1829320061.

It is an arithmetic number, because the mean of its divisors is an integer number (10975920306).

Almost surely, 2^40245041111 is an apocalyptic number.

40245041111 is a deficient number, since it is larger than the sum of its proper divisors (3658640113).

40245041111 is a wasteful number, since it uses less digits than its factorization.

40245041111 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3658640112.

The product of its (nonzero) digits is 640, while the sum is 23.

Adding to 40245041111 its reverse (11114054204), we get a palindrome (51359095315).

The spelling of 40245041111 in words is "forty billion, two hundred forty-five million, forty-one thousand, one hundred eleven".