388006240405 has 16 divisors (see below), whose sum is σ = 532137060864. Its totient is φ = 266054313600.

The previous prime is 388006240403. The next prime is 388006240409. The reversal of 388006240405 is 504042600883.

It is not a de Polignac number, because 388006240405 - 2¹ = 388006240403 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388006240403) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1412169 + ... + 1664401.

It is an arithmetic number, because the mean of its divisors is an integer number (33258566304).

Almost surely, 2^388006240405 is an apocalyptic number.

388006240405 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

388006240405 is a deficient number, since it is larger than the sum of its proper divisors (144130820459).

388006240405 is a wasteful number, since it uses less digits than its factorization.

388006240405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 296196.

The product of its (nonzero) digits is 184320, while the sum is 40.

The spelling of 388006240405 in words is "three hundred eighty-eight billion, six million, two hundred forty thousand, four hundred five".