38847219840 has 1024 divisors, whose sum is σ = 164505600000. Its totient is φ = 8539914240.

The previous prime is 38847219821. The next prime is 38847219863. The reversal of 38847219840 is 4891274883.

It is a happy number.

38847219840 is a `hidden beast` number, since 3 + 88 + 472 + 1 + 98 + 4 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 195212061 + ... + 195212259.

It is an arithmetic number, because the mean of its divisors is an integer number (160650000).

Almost surely, 2^38847219840 is an apocalyptic number.

38847219840 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 38847219840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (82252800000).

38847219840 is an abundant number, since it is smaller than the sum of its proper divisors (125658380160).

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

38847219840 is a wasteful number, since it uses less digits than its factorization.

38847219840 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 330 (or 312 counting only the distinct ones).

The product of its (nonzero) digits is 3096576, while the sum is 54.

The spelling of 38847219840 in words is "thirty-eight billion, eight hundred forty-seven million, two hundred nineteen thousand, eight hundred forty".