38436680916 has 36 divisors (see below), whose sum is σ = 97169327892. Its totient is φ = 12810916224.

The previous prime is 38436680879. The next prime is 38436680929. The reversal of 38436680916 is 61908663483.

It can be written as a sum of positive squares in 2 ways, for example, as 16042755600 + 22393925316 = 126660^2 + 149646^2 .

It is a tau number, because it is divible by the number of its divisors (36).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 341520 + ... + 439896.

It is an arithmetic number, because the mean of its divisors is an integer number (2699147997).

Almost surely, 2^38436680916 is an apocalyptic number.

38436680916 is a gapful number since it is divisible by the number (36) formed by its first and last digit.

It is an amenable number.

38436680916 is an abundant number, since it is smaller than the sum of its proper divisors (58732646976).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

38436680916 is a wasteful number, since it uses less digits than its factorization.

38436680916 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109240 (or 109235 counting only the distinct ones).

The product of its (nonzero) digits is 4478976, while the sum is 54.

The spelling of 38436680916 in words is "thirty-eight billion, four hundred thirty-six million, six hundred eighty thousand, nine hundred sixteen".