40361053191 has 4 divisors (see below), whose sum is σ = 53814737592. Its totient is φ = 26907368792.

The previous prime is 40361053189. The next prime is 40361053207. The reversal of 40361053191 is 19135016304.

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 40361053191 - 2¹ = 40361053189 is a prime.

It is a super-2 number, since 2×40361053191² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40361053141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6726842196 + ... + 6726842201.

It is an arithmetic number, because the mean of its divisors is an integer number (13453684398).

Almost surely, 2^40361053191 is an apocalyptic number.

40361053191 is a deficient number, since it is larger than the sum of its proper divisors (13453684401).

40361053191 is a wasteful number, since it uses less digits than its factorization.

40361053191 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13453684400.

The product of its (nonzero) digits is 9720, while the sum is 33.

Adding to 40361053191 its reverse (19135016304), we get a palindrome (59496069495).

The spelling of 40361053191 in words is "forty billion, three hundred sixty-one million, fifty-three thousand, one hundred ninety-one".