38308361805 has 128 divisors (see below), whose sum is σ = 80472268800. Its totient is φ = 16927045632.

The previous prime is 38308361803. The next prime is 38308361813. The reversal of 38308361805 is 50816380383.

It is not a de Polignac number, because 38308361805 - 2¹ = 38308361803 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (38308361803) by changing a digit.

It is a polite number, since it can be written in 127 ways as a sum of consecutive naturals, for example, 3936736 + ... + 3946454.

It is an arithmetic number, because the mean of its divisors is an integer number (628689600).

Almost surely, 2^38308361805 is an apocalyptic number.

38308361805 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

38308361805 is an abundant number, since it is smaller than the sum of its proper divisors (42163906995).

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

38308361805 is a wasteful number, since it uses less digits than its factorization.

38308361805 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9880 (or 9874 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The spelling of 38308361805 in words is "thirty-eight billion, three hundred eight million, three hundred sixty-one thousand, eight hundred five".