386872412520 has 256 divisors, whose sum is σ = 1283833774080. Its totient is φ = 92483481600.

The previous prime is 386872412491. The next prime is 386872412527. The reversal of 386872412520 is 25214278683.

It is a self number, because there is not a number n which added to its sum of digits gives 386872412520.

It is not an unprimeable number, because it can be changed into a prime (386872412527) 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, 32760457 + ... + 32772263.

It is an arithmetic number, because the mean of its divisors is an integer number (5014975680).

Almost surely, 2^386872412520 is an apocalyptic number.

386872412520 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 386872412520, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (641916887040).

386872412520 is an abundant number, since it is smaller than the sum of its proper divisors (896961361560).

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

386872412520 is a wasteful number, since it uses less digits than its factorization.

386872412520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12176 (or 12172 counting only the distinct ones).

The product of its (nonzero) digits is 1290240, while the sum is 48.

The spelling of 386872412520 in words is "three hundred eighty-six billion, eight hundred seventy-two million, four hundred twelve thousand, five hundred twenty".