38146605405 has 32 divisors (see below), whose sum is σ = 64660923648. Its totient is φ = 19137408000.

The previous prime is 38146605361. The next prime is 38146605421. The reversal of 38146605405 is 50450664183.

It is not a de Polignac number, because 38146605405 - 2¹¹ = 38146603357 is a prime.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 426055 + ... + 507755.

It is an arithmetic number, because the mean of its divisors is an integer number (2020653864).

Almost surely, 2^38146605405 is an apocalyptic number.

It is an amenable number.

38146605405 is a deficient number, since it is larger than the sum of its proper divisors (26514318243).

38146605405 is a wasteful number, since it uses less digits than its factorization.

38146605405 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 83557.

The product of its (nonzero) digits is 345600, while the sum is 42.

The spelling of 38146605405 in words is "thirty-eight billion, one hundred forty-six million, six hundred five thousand, four hundred five".