40111441345 has 4 divisors (see below), whose sum is σ = 48133729620. Its totient is φ = 32089153072.

The previous prime is 40111441339. The next prime is 40111441351. The reversal of 40111441345 is 54314411104.

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

It is an interprime number because it is at equal distance from previous prime (40111441339) and next prime (40111441351).

It can be written as a sum of positive squares in 2 ways, for example, as 6031696896 + 34079744449 = 77664^2 + 184607^2 .

It is a cyclic number.

It is not a de Polignac number, because 40111441345 - 2⁷ = 40111441217 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4011144130 + ... + 4011144139.

It is an arithmetic number, because the mean of its divisors is an integer number (12033432405).

Almost surely, 2^40111441345 is an apocalyptic number.

It is an amenable number.

40111441345 is a deficient number, since it is larger than the sum of its proper divisors (8022288275).

40111441345 is an equidigital number, since it uses as much as digits as its factorization.

40111441345 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8022288274.

The product of its (nonzero) digits is 3840, while the sum is 28.

Adding to 40111441345 its reverse (54314411104), we get a palindrome (94425852449).

The spelling of 40111441345 in words is "forty billion, one hundred eleven million, four hundred forty-one thousand, three hundred forty-five".