381086207264 has 36 divisors (see below), whose sum is σ = 872755469334. Its totient is φ = 163322659584.

The previous prime is 381086207261. The next prime is 381086207297. The reversal of 381086207264 is 462702680183.

It can be written as a sum of positive squares in only one way, i.e., 304417027600 + 76669179664 = 551740^2 + 276892^2 .

It is not an unprimeable number, because it can be changed into a prime (381086207261) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 121518269 + ... + 121521404.

Almost surely, 2^381086207264 is an apocalyptic number.

It is an amenable number.

381086207264 is an abundant number, since it is smaller than the sum of its proper divisors (491669262070).

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

381086207264 is a wasteful number, since it uses less digits than its factorization.

381086207264 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 243039697 (or 243039682 counting only the distinct ones).

The product of its (nonzero) digits is 774144, while the sum is 47.

The spelling of 381086207264 in words is "three hundred eighty-one billion, eighty-six million, two hundred seven thousand, two hundred sixty-four".