40160030549 has 2 divisors, whose sum is σ = 40160030550. Its totient is φ = 40160030548.

The previous prime is 40160030503. The next prime is 40160030569. The reversal of 40160030549 is 94503006104.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 28656395524 + 11503635025 = 169282^2 + 107255^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40160030549 is a prime.

It is a super-2 number, since 2×40160030549² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (40160030569) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 20080015274 + 20080015275.

It is an arithmetic number, because the mean of its divisors is an integer number (20080015275).

Almost surely, 2^40160030549 is an apocalyptic number.

It is an amenable number.

40160030549 is a deficient number, since it is larger than the sum of its proper divisors (1).

40160030549 is an equidigital number, since it uses as much as digits as its factorization.

40160030549 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 12960, while the sum is 32.

The spelling of 40160030549 in words is "forty billion, one hundred sixty million, thirty thousand, five hundred forty-nine".