38981498008500 has 768 divisors, whose sum is σ = 137424688128000. Its totient is φ = 9510284044800.

The previous prime is 38981498008463. The next prime is 38981498008517. The reversal of 38981498008500 is 580089418983.

It is a happy number.

38981498008500 is a `hidden beast` number, since 3 + 8 + 9 + 8 + 1 + 49 + 80 + 0 + 8 + 500 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 255 ways as a sum of consecutive naturals, for example, 963461271 + ... + 963501729.

It is an arithmetic number, because the mean of its divisors is an integer number (178938396000).

Almost surely, 2^{38981498008500} is an apocalyptic number.

38981498008500 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 38981498008500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68712344064000).

38981498008500 is an abundant number, since it is smaller than the sum of its proper divisors (98443190119500).

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

38981498008500 is a wasteful number, since it uses less digits than its factorization.

38981498008500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 40646 (or 40628 counting only the distinct ones).

The product of its (nonzero) digits is 19906560, while the sum is 63.

The spelling of 38981498008500 in words is "thirty-eight trillion, nine hundred eighty-one billion, four hundred ninety-eight million, eight thousand, five hundred".