38496621947020 has 60 divisors (see below), whose sum is σ = 83537706787920. Its totient is φ = 14901911023200.

The previous prime is 38496621947011. The next prime is 38496621947143. The reversal of 38496621947020 is 2074912669483.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 38496621947020.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 17428305 + ... + 19512535.

It is an arithmetic number, because the mean of its divisors is an integer number (1392295113132).

Almost surely, 2^{38496621947020} 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 38496621947020, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (41768853393960).

38496621947020 is an abundant number, since it is smaller than the sum of its proper divisors (45041084840900).

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

38496621947020 is an frugal number, since it uses more digits than its factorization.

38496621947020 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2084364 (or 2084269 counting only the distinct ones).

The product of its (nonzero) digits is 31352832, while the sum is 61.

The spelling of 38496621947020 in words is "thirty-eight trillion, four hundred ninety-six billion, six hundred twenty-one million, nine hundred forty-seven thousand, twenty".