38605516446 has 64 divisors (see below), whose sum is σ = 89668085760. Its totient is φ = 10852189920.

The previous prime is 38605516429. The next prime is 38605516489. The reversal of 38605516446 is 64461550683.

It is a junction number, because it is equal to n+sod(n) for n = 38605516395 and 38605516404.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2409241 + ... + 2425211.

It is an arithmetic number, because the mean of its divisors is an integer number (1401063840).

Almost surely, 2^38605516446 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38605516446, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (44834042880).

38605516446 is an abundant number, since it is smaller than the sum of its proper divisors (51062569314).

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

38605516446 is a wasteful number, since it uses less digits than its factorization.

38605516446 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16909.

The product of its (nonzero) digits is 2073600, while the sum is 48.

The spelling of 38605516446 in words is "thirty-eight billion, six hundred five million, five hundred sixteen thousand, four hundred forty-six".