38464646484 has 96 divisors (see below), whose sum is σ = 99019210752. Its totient is φ = 11524240000.

The previous prime is 38464646431. The next prime is 38464646527. The reversal of 38464646484 is 48464646483.

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, 12143869 + ... + 12147035.

It is an arithmetic number, because the mean of its divisors is an integer number (1031450112).

Almost surely, 2^38464646484 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38464646484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (49509605376).

38464646484 is an abundant number, since it is smaller than the sum of its proper divisors (60554564268).

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

38464646484 is a wasteful number, since it uses less digits than its factorization.

38464646484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4197 (or 4195 counting only the distinct ones).

The product of its digits is 42467328, while the sum is 57.

Subtracting 38464646484 from its reverse (48464646483), we obtain a palindrome (9999999999).

The spelling of 38464646484 in words is "thirty-eight billion, four hundred sixty-four million, six hundred forty-six thousand, four hundred eighty-four".