385343041720 has 128 divisors (see below), whose sum is σ = 1067446396800. Its totient is φ = 121915570176.

The previous prime is 385343041709. The next prime is 385343041723. The reversal of 385343041720 is 27140343583.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (385343041723) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 12611902 + ... + 12642418.

It is an arithmetic number, because the mean of its divisors is an integer number (8339424975).

Almost surely, 2^385343041720 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 385343041720, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (533723198400).

385343041720 is an abundant number, since it is smaller than the sum of its proper divisors (682103355080).

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

385343041720 is a wasteful number, since it uses less digits than its factorization.

385343041720 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34017 (or 34013 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 40.

The spelling of 385343041720 in words is "three hundred eighty-five billion, three hundred forty-three million, forty-one thousand, seven hundred twenty".