40508119481 has 2 divisors, whose sum is σ = 40508119482. Its totient is φ = 40508119480.

The previous prime is 40508119471. The next prime is 40508119489. The reversal of 40508119481 is 18491180504.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 32739283600 + 7768835881 = 180940^2 + 88141^2 .

It is a cyclic number.

It is not a de Polignac number, because 40508119481 - 2¹⁸ = 40507857337 is a prime.

It is a super-2 number, since 2×40508119481² (a number of 22 digits) contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (40508119489) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20254059740 + 20254059741.

It is an arithmetic number, because the mean of its divisors is an integer number (20254059741).

Almost surely, 2^40508119481 is an apocalyptic number.

It is an amenable number.

40508119481 is a deficient number, since it is larger than the sum of its proper divisors (1).

40508119481 is an equidigital number, since it uses as much as digits as its factorization.

40508119481 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 46080, while the sum is 41.

Adding to 40508119481 its reverse (18491180504), we get a palindrome (58999299985).

The spelling of 40508119481 in words is "forty billion, five hundred eight million, one hundred nineteen thousand, four hundred eighty-one".