386665175040 has 192 divisors, whose sum is σ = 1237744216800. Its totient is φ = 103050903552.

The previous prime is 386665175009. The next prime is 386665175041. The reversal of 386665175040 is 40571566683.

It is a tau number, because it is divible by the number of its divisors (192).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (386665175041) 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, 85675824 + ... + 85680336.

Almost surely, 2^386665175040 is an apocalyptic number.

386665175040 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 386665175040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (618872108400).

386665175040 is an abundant number, since it is smaller than the sum of its proper divisors (851079041760).

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

386665175040 is a wasteful number, since it uses less digits than its factorization.

386665175040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7332 (or 7312 counting only the distinct ones).

The product of its (nonzero) digits is 3628800, while the sum is 51.

The spelling of 386665175040 in words is "three hundred eighty-six billion, six hundred sixty-five million, one hundred seventy-five thousand, forty".