388427475742 has 32 divisors (see below), whose sum is σ = 596254348800. Its totient is φ = 189719109888.

The previous prime is 388427475703. The next prime is 388427475743. The reversal of 388427475742 is 247574724883.

It is a happy number.

It is a super-2 number, since 2×388427475742² (a number of 24 digits) contains 22 as substring.

Its product of digits (84295680) is a multiple of the sum of its prime divisors (13440).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388427475743) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 33430318 + ... + 33441934.

It is an arithmetic number, because the mean of its divisors is an integer number (18632948400).

Almost surely, 2^388427475742 is an apocalyptic number.

388427475742 is a deficient number, since it is larger than the sum of its proper divisors (207826873058).

388427475742 is a wasteful number, since it uses less digits than its factorization.

388427475742 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13440.

The product of its digits is 84295680, while the sum is 61.

The spelling of 388427475742 in words is "three hundred eighty-eight billion, four hundred twenty-seven million, four hundred seventy-five thousand, seven hundred forty-two".