38500215385 has 8 divisors (see below), whose sum is σ = 46252704456. Its totient is φ = 30765208320.

The previous prime is 38500215353. The next prime is 38500215409. The reversal of 38500215385 is 58351200583.

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 518882841 + 37981332544 = 22779^2 + 194888^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 38500215385 - 2⁵ = 38500215353 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4365654 + ... + 4374463.

It is an arithmetic number, because the mean of its divisors is an integer number (5781588057).

Almost surely, 2^38500215385 is an apocalyptic number.

It is an amenable number.

38500215385 is a deficient number, since it is larger than the sum of its proper divisors (7752489071).

38500215385 is an equidigital number, since it uses as much as digits as its factorization.

38500215385 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8741003.

The product of its (nonzero) digits is 144000, while the sum is 40.

The spelling of 38500215385 in words is "thirty-eight billion, five hundred million, two hundred fifteen thousand, three hundred eighty-five".