38675801807820 has 72 divisors (see below), whose sum is σ = 122417320517856. Its totient is φ = 9865132054272.

The previous prime is 38675801807809. The next prime is 38675801807821. The reversal of 38675801807820 is 2870810857683.

38675801807820 is a `hidden beast` number, since 38 + 6 + 7 + 580 + 18 + 0 + 7 + 8 + 2 + 0 = 666.

It is not an unprimeable number, because it can be changed into a prime (38675801807821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 4670986417 + ... + 4670994696.

It is an arithmetic number, because the mean of its divisors is an integer number (1700240562748).

Almost surely, 2^{38675801807820} is an apocalyptic number.

38675801807820 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

38675801807820 is an abundant number, since it is smaller than the sum of its proper divisors (83741518710036).

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

38675801807820 is a wasteful number, since it uses less digits than its factorization.

38675801807820 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9341981151 (or 9341981146 counting only the distinct ones).

The product of its (nonzero) digits is 36126720, while the sum is 63.

The spelling of 38675801807820 in words is "thirty-eight trillion, six hundred seventy-five billion, eight hundred one million, eight hundred seven thousand, eight hundred twenty".