38616536450 has 24 divisors (see below), whose sum is σ = 72810692868. Its totient is φ = 15235015680.

The previous prime is 38616536449. The next prime is 38616536477. The reversal of 38616536450 is 5463561683.

It can be written as a sum of positive squares in 6 ways, for example, as 27729909529 + 10886626921 = 166523^2 + 104339^2 .

It is a super-3 number, since 3×38616536450³ (a number of 33 digits) contains 333 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 38616536395 and 38616536404.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5286287 + ... + 5293586.

Almost surely, 2^38616536450 is an apocalyptic number.

38616536450 is a deficient number, since it is larger than the sum of its proper divisors (34194156418).

38616536450 is a wasteful number, since it uses less digits than its factorization.

38616536450 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10579958 (or 10579953 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 38616536450 in words is "thirty-eight billion, six hundred sixteen million, five hundred thirty-six thousand, four hundred fifty".