408184547449 has 12 divisors (see below), whose sum is σ = 469306969984. Its totient is φ = 347777258184.

The previous prime is 408184547447. The next prime is 408184547471. The reversal of 408184547449 is 944745481804.

It is not a de Polignac number, because 408184547449 - 2¹ = 408184547447 is a prime.

It is a super-2 number, since 2×408184547449² (a number of 24 digits) contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 408184547393 and 408184547402.

It is not an unprimeable number, because it can be changed into a prime (408184547447) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 850209 + ... + 1240654.

Almost surely, 2^408184547449 is an apocalyptic number.

It is an amenable number.

408184547449 is a deficient number, since it is larger than the sum of its proper divisors (61122422535).

408184547449 is an equidigital number, since it uses as much as digits as its factorization.

408184547449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2091204 (or 2091037 counting only the distinct ones).

The product of its (nonzero) digits is 20643840, while the sum is 58.

The spelling of 408184547449 in words is "four hundred eight billion, one hundred eighty-four million, five hundred forty-seven thousand, four hundred forty-nine".