40144421195 has 4 divisors (see below), whose sum is σ = 48173305440. Its totient is φ = 32115536952.

The previous prime is 40144421179. The next prime is 40144421201. The reversal of 40144421195 is 59112444104.

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 40144421195 - 2⁴ = 40144421179 is a prime.

It is a super-2 number, since 2×40144421195² (a number of 22 digits) contains 22 as substring.

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, 4014442115 + ... + 4014442124.

It is an arithmetic number, because the mean of its divisors is an integer number (12043326360).

Almost surely, 2^40144421195 is an apocalyptic number.

40144421195 is a deficient number, since it is larger than the sum of its proper divisors (8028884245).

40144421195 is an equidigital number, since it uses as much as digits as its factorization.

40144421195 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8028884244.

The product of its (nonzero) digits is 23040, while the sum is 35.

Adding to 40144421195 its reverse (59112444104), we get a palindrome (99256865299).

The spelling of 40144421195 in words is "forty billion, one hundred forty-four million, four hundred twenty-one thousand, one hundred ninety-five".