38839494497472 has 42 divisors (see below), whose sum is σ = 111326398292148. Its totient is φ = 12946498165632.

The previous prime is 38839494497437. The next prime is 38839494497509. The reversal of 38839494497472 is 27479449493883.

38839494497472 is a `hidden beast` number, since 3 + 8 + 8 + 39 + 4 + 9 + 449 + 74 + 72 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 38839494497391 and 38839494497400.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 33714838398 + ... + 33714839549.

Almost surely, 2^{38839494497472} is an apocalyptic number.

38839494497472 is a gapful number since it is divisible by the number (32) formed by its first and last digit.

It is an amenable number.

38839494497472 is an abundant number, since it is smaller than the sum of its proper divisors (72486903794676).

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

38839494497472 is a wasteful number, since it uses less digits than its factorization.

38839494497472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 67429677965 (or 67429677952 counting only the distinct ones).

The product of its digits is 10534551552, while the sum is 81.

The spelling of 38839494497472 in words is "thirty-eight trillion, eight hundred thirty-nine billion, four hundred ninety-four million, four hundred ninety-seven thousand, four hundred seventy-two".