381605118288 has 40 divisors (see below), whose sum is σ = 985837685088. Its totient is φ = 127198549632.

The previous prime is 381605118253. The next prime is 381605118311. The reversal of 381605118288 is 882811506183.

It is a self number, because there is not a number n which added to its sum of digits gives 381605118288.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2639331 + ... + 2780157.

Almost surely, 2^381605118288 is an apocalyptic number.

It is an amenable number.

381605118288 is an abundant number, since it is smaller than the sum of its proper divisors (604232566800).

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

381605118288 is a wasteful number, since it uses less digits than its factorization.

381605118288 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 197291 (or 197285 counting only the distinct ones).

The product of its (nonzero) digits is 737280, while the sum is 51.

The spelling of 381605118288 in words is "three hundred eighty-one billion, six hundred five million, one hundred eighteen thousand, two hundred eighty-eight".