408222986738 has 54 divisors (see below), whose sum is σ = 717969605031. Its totient is φ = 173572951104.

The previous prime is 408222986729. The next prime is 408222986797. The reversal of 408222986738 is 837689222804.

It can be written as a sum of positive squares in 5 ways, for example, as 4938294529 + 403284692209 = 70273^2 + 635047^2 .

It is an ABA number since it can be written as A⋅B^A, here for A=2, B=451787.

It is an unprimeable number.

It is a polite number, since it can be written in 26 ways as a sum of consecutive naturals, for example, 1473729056 + ... + 1473729332.

Almost surely, 2^408222986738 is an apocalyptic number.

408222986738 is a deficient number, since it is larger than the sum of its proper divisors (309746618293).

408222986738 is an frugal number, since it uses more digits than its factorization.

408222986738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1036 (or 519 counting only the distinct ones).

The product of its (nonzero) digits is 18579456, while the sum is 59.

The spelling of 408222986738 in words is "four hundred eight billion, two hundred twenty-two million, nine hundred eighty-six thousand, seven hundred thirty-eight".