388538504620 has 48 divisors (see below), whose sum is σ = 981570965760. Its totient is φ = 126201979584.

The previous prime is 388538504591. The next prime is 388538504701. The reversal of 388538504620 is 26405835883.

It is a super-3 number, since 3×388538504620³ (a number of 36 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 73030894 + ... + 73036213.

It is an arithmetic number, because the mean of its divisors is an integer number (20449395120).

Almost surely, 2^388538504620 is an apocalyptic number.

It is an amenable number.

388538504620 is an abundant number, since it is smaller than the sum of its proper divisors (593032461140).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

388538504620 is a wasteful number, since it uses less digits than its factorization.

388538504620 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 146067142 (or 146067140 counting only the distinct ones).

The product of its (nonzero) digits is 5529600, while the sum is 52.

The spelling of 388538504620 in words is "three hundred eighty-eight billion, five hundred thirty-eight million, five hundred four thousand, six hundred twenty".