388774440423 has 64 divisors (see below), whose sum is σ = 599671680000. Its totient is φ = 248633400960.

The previous prime is 388774440413. The next prime is 388774440469. The reversal of 388774440423 is 324044477883.

388774440423 is a `hidden beast` number, since 38 + 87 + 74 + 4 + 40 + 423 = 666.

388774440423 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 388774440423 - 2¹³ = 388774432231 is a prime.

It is a super-2 number, since 2×388774440423² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 388774440423.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (388774440413) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 117134358 + ... + 117137676.

It is an arithmetic number, because the mean of its divisors is an integer number (9369870000).

Almost surely, 2^388774440423 is an apocalyptic number.

388774440423 is a deficient number, since it is larger than the sum of its proper divisors (210897239577).

388774440423 is a wasteful number, since it uses less digits than its factorization.

388774440423 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4277 (or 4271 counting only the distinct ones).

The product of its (nonzero) digits is 14450688, while the sum is 54.

The spelling of 388774440423 in words is "three hundred eighty-eight billion, seven hundred seventy-four million, four hundred forty thousand, four hundred twenty-three".